Solved papers for JEE Main & Advanced AIEEE Solved Paper-2005

done AIEEE Solved Paper-2005 Total Questions - 75

• question_answer1) The oxidation state of Cr in\[{{[Cr{{(N{{H}_{3}})}_{4}}C{{l}_{2}}]}^{+}}\]is     AIEEE  Solved  Paper-2005
  A)
  0                                             
  done clear
  B)
  +1                          
  done clear
  C)
         +2                          
  done clear
  D)
         +3
  done clear
  View Answer play_arrow

• question_answer2) Which one of the following types of drugs reduces fever?     AIEEE  Solved  Paper-2005
  A)
  Tranquiliser       
  done clear
  B)
         Antibiotic            
  done clear
  C)
         Antipyretic        
  done clear
  D)
         Analgesic
  done clear
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• question_answer3) Which of the following oxides is amphoteric in character?     AIEEE  Solved  Paper-2005
  A)
  \[Sn{{O}_{2}}\] 
  done clear
  B)
                         \[Si{{O}_{2}}\] 
  done clear
  C)
         \[C{{O}_{2}}\]  
  done clear
  D)
         \[CaO\]
  done clear
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• question_answer4) Which one of the following species is diamagnetic in nature?     AIEEE  Solved  Paper-2005
  A)
  \[H_{2}^{-}\]    
  done clear
  B)
         \[H_{2}^{+}\]                    
  done clear
  C)
         \[{{H}_{2}}\]      
  done clear
  D)
         \[He_{2}^{+}\]
  done clear
  View Answer play_arrow

• question_answer5) If\[\alpha \]is the degree of dissociation of\[N{{a}_{2}}S{{O}_{4}},\] the van't Hoff factor (i) used for calculating the molecular mass is     AIEEE  Solved  Paper-2005
  A)
  \[1-2\alpha \]                   
  done clear
  B)
         \[1+2\alpha \]  
  done clear
  C)
         \[1-\alpha \]                      
  done clear
  D)
         \[1+\alpha \]
  done clear
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• question_answer6) Which of the following is a polyamide?     AIEEE  Solved  Paper-2005      
  A)
  Bakelite               
  done clear
  B)
  Terylene             
  done clear
  C)
         Nylon-66         
  done clear
  D)
         Teflon
  done clear
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• question_answer7) Due to the presence of an unpaired electron, free radicals are     AIEEE  Solved  Paper-2005
  A)
  cations           
  done clear
  B)
         anions  
  done clear
  C)
         chemically inactive         
  done clear
  D)
  chemically reactive
  done clear
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• question_answer8) For a spontaneous reaction the\[\Delta G\] equilibrium constant (K) and\[E_{cell}^{o}\]will be respectively     AIEEE  Solved  Paper-2005
  A)
  -ve, > 1, -ve
  done clear
  B)
  -ve, <1, -ve
  done clear
  C)
  -i-ve, > 1, -ve
  done clear
  D)
  -ve, >1, +ve
  done clear
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• question_answer9) Hydrogen bomb is based on the principle of     AIEEE  Solved  Paper-2005
  A)
  artificial radioactivity
  done clear
  B)
  nuclear fusion
  done clear
  C)
  natural radioactivity
  done clear
  D)
  nuclear fission
  done clear
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• question_answer10) An ionic compound has a unit cell consisting of A ions at the corners of a cube and B ions on the centres of the faces of the cube. The empirical formula for this compound would be     AIEEE  Solved  Paper-2005
  A)
  \[{{A}_{3}}B\]                                   
  done clear
  B)
  \[A{{B}_{3}}\]                   
  done clear
  C)
  \[{{A}_{2}}B\]                   
  done clear
  D)
         \[AB\]
  done clear
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• question_answer11) The highest electrical conductivity of the following aqueous solutions is of     AIEEE  Solved  Paper-2005
  A)
  0.1 M difluoroacetic acid
  done clear
  B)
  0.1 M fluoroacetic acid
  done clear
  C)
  0.1 M chloroacetic acid
  done clear
  D)
  0.1 M acetic acid
  done clear
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• question_answer12) Lattice energy of an ionic compound depends upon     AIEEE  Solved  Paper-2005
  A)
  charge on the ion and size of the ion
  done clear
  B)
  packing of ions only
  done clear
  C)
  size of the ion only
  done clear
  D)
  charge on the ion only
  done clear
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• question_answer13) Consider an endothermic reaction\[X\to Y\]with the activation energies\[{{E}_{b}}\]and\[{{E}_{f}}\]for the backward and forward reactions respectively. In general     AIEEE  Solved  Paper-2005
  A)
  there is no definite relation between\[{{E}_{b}}\]and \[{{E}_{f}}\]
  done clear
  B)
  \[{{E}_{b}}={{E}_{f}}\]
  done clear
  C)
  \[{{E}_{b}}>{{E}_{f}}\]
  done clear
  D)
  \[{{E}_{b}}<{{E}_{f}}\]
  done clear
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• question_answer14) Aluminium oxide may be electrolysed at \[1000{}^\circ C\]to furnish aluminium metal (Atomic mass\[=27u;\] 1 Faraday = 96500. The cathode reaction is \[A{{l}^{3+}}+3{{e}^{-}}\to A{{l}^{0}}\] To prepare 5.12 kg of aluminium metal by this method would require     AIEEE  Solved  Paper-2005
  A)
  \[5.49\times {{10}^{1}}C\]of electricity
  done clear
  B)
  \[5.49\times {{10}^{4}}C\]of electricity
  done clear
  C)
  \[1.83\times {{10}^{7}}C\]of electricity
  done clear
  D)
  \[5.49\times {{10}^{7}}C\]of electricity
  done clear
  View Answer play_arrow

• question_answer15) The volume of a colloidal particle, \[{{V}_{C}}\] as compared to the volume of a solute particle in a true solution \[{{V}_{S}},\] could be     AIEEE  Solved  Paper-2005
  A)
  \[\frac{{{V}_{C}}}{{{V}_{S}}}\approx {{10}^{3}}\]
  done clear
  B)
                         \[\frac{{{V}_{C}}}{{{V}_{S}}}\approx {{10}^{-3}}\]
  done clear
  C)
  \[\frac{{{V}_{C}}}{{{V}_{S}}}\approx {{10}^{23}}\]            
  done clear
  D)
         \[\frac{{{V}_{C}}}{{{V}_{S}}}\approx 1\]
  done clear
  View Answer play_arrow

• question_answer16) Consider the reaction \[{{N}_{2}}+3{{H}_{2}}\xrightarrow{\,}2\,N{{H}_{3}}\] carried out at constant temperature and pressure. If\[\Delta H\]and\[\Delta U\]are the enthalpy and internal energy changes for the reaction, which of the following expressions is true?     AIEEE  Solved  Paper-2005
  A)
  \[\Delta H>\Delta U\]                   
  done clear
  B)
  \[\Delta H<\Delta U\]   
  done clear
  C)
         \[\Delta H=\Delta U\]   
  done clear
  D)
         \[\Delta H=0\]
  done clear
  View Answer play_arrow

• question_answer17) The solubility product of a salt having general formula\[M{{X}_{2}},\]in water is\[4\times {{10}^{-12}}\]. The concentration of\[{{M}^{2+}}\]ions in the aqueous solution of the salt is     AIEEE  Solved  Paper-2005
  A)
  \[4.0\times {{10}^{-1}}M\]          
  done clear
  B)
  \[1.6\times {{10}^{-4}}M\]
  done clear
  C)
                         \[1.0\times {{10}^{-4}}M\]  
  done clear
  D)
         \[2.0\times {{10}^{-6}}M\]
  done clear
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• question_answer18) Benzene and toluene form nearly ideal solutions. At\[20{}^\circ C,\]the vapour pressure of benzene is 75 torr and that of toluene is 22 torr. The partial vapour pressure of benzene at \[20{}^\circ C,\]for a solution containing 78 g of benzene and 46 g of toluene in torr is     AIEEE  Solved  Paper-2005
  A)
  53.5       
  done clear
  B)
         37.5       
  done clear
  C)
         25                          
  done clear
  D)
         50
  done clear
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• question_answer19) Which one of the following statements is not true about the effect of an increase in temperature on the distribution, of molecular speeds in a gas?     AIEEE  Solved  Paper-2005
  A)
  The area under the distribution curve remains the same as under the lower temperature
  done clear
  B)
  The distribution becomes broader
  done clear
  C)
  The fraction of the molecules with the most probable speed increases
  done clear
  D)
  The most probable speed increases
  done clear
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• question_answer20) For the reaction, \[2N{{O}_{2}}(g)2NO(g)+{{O}_{2}}(g)\] \[({{K}_{c}}=1.8\times {{10}^{-6}}at\text{ }184{}^\circ C)\] \[(R=0.00831\text{ }kJ/(molK))\] When \[{{K}_{p}}\] and\[{{K}_{c}}\]are compared at\[184{}^\circ C\]it is found that     AIEEE  Solved  Paper-2005
  A)
  whether \[{{K}_{p}}\] is greater than, less than or equal to\[{{K}_{C}}\]depends upon the total gas pressure
  done clear
  B)
  \[{{K}_{p}}={{K}_{c}}\]
  done clear
  C)
  \[{{K}_{p}}\] is less than\[{{K}_{C}}\]
  done clear
  D)
  \[{{K}_{p}}\] is greater than\[{{K}_{C}}\]
  done clear
  View Answer play_arrow

• question_answer21) The exothermic formation of \[Cl{{F}_{3}}\] is represented by the equation \[C{{l}_{2}}(g)+3{{F}_{2}}(g)2Cl{{F}_{3}}(g);\] \[\Delta {{H}_{r}}=-329kJ\] Which of the following will increase the quantity of\[Cl{{F}_{3}}\] in an equilibrium mixture of \[C{{l}_{2}},{{F}_{2}}\]and\[Cl{{F}_{3}}\]?     AIEEE  Solved  Paper-2005
  A)
  Adding\[{{F}_{2}}\]
  done clear
  B)
  Increasing the volume of the container
  done clear
  C)
  Removing\[C{{l}_{2}}\]
  done clear
  D)
  Increasing the temperature
  done clear
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• question_answer22) Hydrogen ion concentration in mol/L in a solution of\[pH=5.4\]will be     AIEEE  Solved  Paper-2005
  A)
  \[3.98\times {{10}^{-6}}\]
  done clear
  B)
                         \[3.68\times {{10}^{-6}}\]            
  done clear
  C)
         \[3.88\times {{10}^{6}}\]        
  done clear
  D)
         \[3.98\times {{10}^{8}}\]
  done clear
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• question_answer23) A reaction involving two different reactants can never be     AIEEE  Solved  Paper-2005
  A)
  bimolecular reaction
  done clear
  B)
  second order reaction
  done clear
  C)
  first order reaction
  done clear
  D)
  unimolecular reaction
  done clear
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• question_answer24) Two solutions of a substance (non electrolyte) are mixed in the following manner. 480 mL of 1.5 M first solution +520 mL of 1.2 M second solution. What is the molarity of the final mixture?     AIEEE  Solved  Paper-2005
  A)
  2.70 M
  done clear
  B)
                                         1.344M
  done clear
  C)
         1.50 M                 
  done clear
  D)
         1.20M
  done clear
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• question_answer25) During the process of electrolytic refining of copper, some metals present as impurity settle as 'anode mud'. These are     AIEEE  Solved  Paper-2005
  A)
  Fe and Ni            
  done clear
  B)
  Ag and Au          
  done clear
  C)
         Pb and Zn      
  done clear
  D)
         Se and Ag
  done clear
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• question_answer26) 

  Electrolyte	\[KCl\]	\[KN{{O}_{3}}\]	\[HCl\]	\[NAOAc\]	\[NaCl\]
  \[{{\Lambda }^{\infty }}\] \[(S\,c{{m}^{2}}\,mo{{l}^{-1}})\]	149.9	145.0	426.2	91.0	126.5

  Calculate\[{{\Lambda }^{\infty }}HOAc\]using appropriate molar conductances of the electrolytes listed above at infinite dilution in\[{{H}_{2}}O\]at\[25{}^\circ C\]     AIEEE  Solved  Paper-2005
  A)
  217.5                    
  done clear
  B)
  390.7    
  done clear
  C)
         552.7    
  done clear
  D)
         517.2
  done clear
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• question_answer27) If we consider that 1/6, in place of 1/12, mass of carbon atom is taken to be the relative atomic mass unit, the mass of one mole of a substance will       AIEEE  Solved  Paper-2005
  A)
  be a function of the molecular mass of the substance
  done clear
  B)
  remain unchanged
  done clear
  C)
  increase two fold
  done clear
  D)
  decrease twice
  done clear
  View Answer play_arrow

• question_answer28) In a multi-electron atom, which of the following orbitals described by the three quantum numbers will have the same energy in the absence of magnetic and electric fields? (A)\[n=1,l=0,m=0\]           (B)\[n=2,l=0,m=0\]         (C)\[n=2,l=1,\text{ }m=1\]           (D)\[n=3,l=2,m=1\] (E)\[n=3,l=2,m=0\]     AIEEE  Solved  Paper-2005
  A)
  (D) and (E)       
  done clear
  B)
         (C) and (D)         
  done clear
  C)
         (B) and (C)       
  done clear
  D)
         (A) and (B)
  done clear
  View Answer play_arrow

• question_answer29) Based on lattice energy and other considerations which one of the following alkali metal chlorides is expected to have the highest melting point?     AIEEE  Solved  Paper-2005
  A)
  \[RbCl\]                               
  done clear
  B)
  \[KCl\]                 
  done clear
  C)
         \[NaCl\]              
  done clear
  D)
         \[LiCl\]
  done clear
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• question_answer30) A schematic plot of In\[{{K}_{eq}}\]versus inverse of temperature for a reaction is shown below \[\log {{K}_{eq}}=\frac{-\Delta {{H}^{o}}}{2.303RT}+\frac{-\Delta {{S}^{o}}}{R}\] The reaction must be     AIEEE  Solved  Paper-2005
  A)
  highly spontaneous at ordinary temperature
  done clear
  B)
  one with negligible enthalpy change
  done clear
  C)
  endothermic
  done clear
  D)
  exothermic
  done clear
  View Answer play_arrow

• question_answer31) Heating mixture of\[C{{u}_{2}}O\]and\[C{{u}_{2}}S\]will give     AIEEE  Solved  Paper-2005
  A)
  \[C{{u}_{2}}S{{O}_{3}}\]               
  done clear
  B)
  \[CuO+CuS\]     
  done clear
  C)
         \[Cu+S{{O}_{3}}\]      
  done clear
  D)
         \[Cu+S{{O}_{2}}\]
  done clear
  View Answer play_arrow

• question_answer32) The molecular shapes of\[S{{F}_{4}},C{{F}_{4}}\]and\[Xe{{F}_{4}}\]are     AIEEE  Solved  Paper-2005
  A)
  different with 1, 0 and 2 lone pairs of electrons on the central atom, respectively
  done clear
  B)
  different with 0, 1 and 2 lone pairs of electrons on the central atom, respectively
  done clear
  C)
  the same with 1, 1 and 1 lone pair of electrons on the central atoms, respectively
  done clear
  D)
  the same with 2, 0 and 1 lone pairs of electrons on the central atom, respectively
  done clear
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• question_answer33) The disperse phase in colloidal iron (III) hydroxide and colloidal gold is positively and negatively charged, respectively. Which of the following statements is not correct?     AIEEE  Solved  Paper-2005
  A)
  Coagulation in both sols can be brought about by electrophoresis
  done clear
  B)
  Mixing the sols has no effect
  done clear
  C)
  Sodium sulphate solution causes coagulation in both sols
  done clear
  D)
  Magnesium chloride solution coagulates, the gold sol more readily than the iron (III) hydroxide sol
  done clear
  View Answer play_arrow

• question_answer34) The number of hydrogen atom (s) attached to phosphorus atom in hypophosphorous acid is     AIEEE  Solved  Paper-2005
  A)
  three             
  done clear
  B)
         one                       
  done clear
  C)
         two                       
  done clear
  D)
         zero
  done clear
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• question_answer35) What is the conjugate base of\[O{{H}^{-}}\]?     AIEEE  Solved  Paper-2005
  A)
  \[{{O}^{2-}}\]                    
  done clear
  B)
         \[{{O}^{-}}\]                      
  done clear
  C)
         \[{{H}_{2}}O\]             
  done clear
  D)
         \[{{O}_{2}}\]
  done clear
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• question_answer36) Heating an aqueous solution  of aluminium chloride to dryness will give       AIEEE  Solved  Paper-2005
  A)
  \[Al(OH)C{{l}_{2}}\]
  done clear
  B)
          \[A{{l}_{2}}{{O}_{3}}\]  
  done clear
  C)
         \[A{{l}_{2}}C{{l}_{6}}\]             
  done clear
  D)
         \[AlC{{l}_{3}}\]
  done clear
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• question_answer37) The correct order of the thermal stability of hydrogen halides (\[H-X\]) is     AIEEE  Solved  Paper-2005
  A)
  \[HI>HClHBr\]
  done clear
  B)
  \[HClHBr<HI\]
  done clear
  C)
  \[HF>HCl>HBr>HI\]
  done clear
  D)
  \[HI>HBr>HCl>HF\]
  done clear
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• question_answer38) Calomel\[(HgC{{l}_{2}})\]on reaction with ammonium hydroxide gives     AIEEE  Solved  Paper-2005
  A)
  \[HgO\]
  done clear
  B)
  \[H{{g}_{2}}O\]
  done clear
  C)
  \[N{{H}_{2}}-Hg-Hg-Cl\]
  done clear
  D)
  \[HgN{{H}_{2}}Cl\]
  done clear
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• question_answer39) The number and type of bonds between two carbon atoms in calcium carbide are     AIEEE  Solved  Paper-2005
  A)
  two sigma, two pi
  done clear
  B)
  two sigma, one pi
  done clear
  C)
  one sigma, two pi
  done clear
  D)
  one sigma, one pi
  done clear
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• question_answer40) The oxidation state of chromium in the final product formed by the reaction between \[KI\] and acidified potassium dichromate solution is     AIEEE  Solved  Paper-2005
  A)
  +3                          
  done clear
  B)
         +2                          
  done clear
  C)
         +6                          
  done clear
  D)
         +4
  done clear
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• question_answer41) In silicon dioxide     AIEEE  Solved  Paper-2005
  A)
  there are double bonds between silicon and oxygen citoms
  done clear
  B)
  silicon atom is bonded to two oxygen atoms
  done clear
  C)
  each silicon atom is surrounded by two oxygen atoms and each oxygen atom is bounded to two silicon atoms
  done clear
  D)
  each silicon atom is surrounded by four oxygen atoms and each oxygen atom is bonded to two silicon atoms
  done clear
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• question_answer42) The lanthanide contraction is responsible for the fact that     AIEEE  Solved  Paper-2005
  A)
  \[Zr\]and\[Zn\]have the same oxidation state
  done clear
  B)
  \[Zr\]and\[Hf\]have about the same radius
  done clear
  C)
  \[Zr\]and\[Nb\]have similar oxidation state
  done clear
  D)
  \[Zr\]and Y have about the same radius
  done clear
  View Answer play_arrow

• question_answer43) The IUPAC name of the coordination compound\[{{K}_{3}}[Fe{{(CN)}_{6}}]\]is     AIEEE  Solved  Paper-2005
  A)
  tripotassium hexacyanoiron (II)
  done clear
  B)
  potassium hexacyanoiron (II)
  done clear
  C)
  potassium hexacyanoferrate (III)
  done clear
  D)
  potassium hexacyanoferrate (II)
  done clear
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• question_answer44) In which of the following arrangements the order is not according to the property indicated against it?     AIEEE  Solved  Paper-2005
  A)
  \[Li<Na<K<Rb\]: Increasing metallic radius
  done clear
  B)
  \[I<Br<F<Cl\]: Increasing electron gain enthalpy (with negative sign)
  done clear
  C)
  \[B<C<N<O\]: Increasing first ionization enthalpy
  done clear
  D)
  \[A{{l}^{3+}}<M{{g}^{2+}}<N{{a}^{+}}<{{F}^{-}}\]: Increasing ionic size
  done clear
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• question_answer45) Of the following sets which one does not contain isoelectronic species?     AIEEE  Solved  Paper-2005
  A)
  \[BO_{3}^{3-},CO_{3}^{2-},NO_{3}^{-}\]              
  done clear
  B)
  \[SO_{3}^{2-},CO_{3}^{2-},NO_{3}^{-}\]              
  done clear
  C)
  \[C{{N}^{-}},{{N}_{2}},C_{2}^{2-}\]         
  done clear
  D)
  \[PO_{4}^{3-},SO_{4}^{2-},CIO_{4}^{-}\]
  done clear
  View Answer play_arrow

• question_answer46) 2 -methylbutane on reacting with bromine in the presence of sunlight gives mainly     AIEEE  Solved  Paper-2005
  A)
  1-bromo-3-methylbutane
  done clear
  B)
  2-bromo-3-methylbutane
  done clear
  C)
  2-bromo-2-methylbutane
  done clear
  D)
  1-bromo-2-methylbutane
  done clear
  View Answer play_arrow

• question_answer47) Which of the following compounds shows optical isomerism?     AIEEE  Solved  Paper-2005
  A)
  \[{{[Co{{(CN)}_{6}}]}^{3-}}\]     
  done clear
  B)
  \[{{[Cr{{({{C}_{2}}{{O}_{4}})}_{3}}]}^{3-}}\]
  done clear
  C)
                         \[{{[ZnC{{l}_{4}}]}^{2-}}\]            
  done clear
  D)
         \[{{[Cu{{(N{{H}_{3}})}_{4}}]}^{2+}}\]
  done clear
  View Answer play_arrow

• question_answer48) Which one of the following cyano complexes would exhibit the lowest value of paramagnetic behaviour? (Atomic number\[Cr=24,Mn=25,\text{ }Fe=26,\] \[Co=27\])     AIEEE  Solved  Paper-2005
  A)
  \[{{[Co{{(CN)}_{6}}]}^{3-}}\]   
  done clear
  B)
         \[{{[Fe{{(CN)}_{6}}]}^{3-}}\]      
  done clear
  C)
         \[{{[Mn{{(CN)}_{6}}]}^{3-}}\]      
  done clear
  D)
         \[{{[Cr{{(CN)}_{6}}]}^{3-}}\]
  done clear
  View Answer play_arrow

• question_answer49) The   best   reagent   to   convert pent-S-en-2-ol into pent-3-en-2-one is     AIEEE  Solved  Paper-2005
  A)
  pyridinium chioro-chromate
  done clear
  B)
  chromic anhydride in glacial acetic acid
  done clear
  C)
  acidic dichromate
  done clear
  D)
  acidic permanganate
  done clear
  View Answer play_arrow

• question_answer50) A photon of hard gamma radiation knocks a proton out of\[_{12}^{24}Mg\]nucleus to form     AIEEE  Solved  Paper-2005
  A)
  the isobar of\[_{11}^{23}Na\]
  done clear
  B)
  the nuclide\[_{11}^{23}Na\]
  done clear
  C)
  the isobar of parent nucleus
  done clear
  D)
  the isotope of parent nucleus
  done clear
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• question_answer51) Reaction of one molecule of\[HBr\]with one molecule of 1, 3-butadiene at\[40{}^\circ C\]gives predominantly     AIEEE  Solved  Paper-2005
  A)
  1-bromo-2-butene under kinetically controlled conditions
  done clear
  B)
  3-bromobutene  under   thermodynamically controlled conditions
  done clear
  C)
  1-bromo-2-butene under thermodynamically controlled conditions
  done clear
  D)
  3-bromobutene under kinetically controlled conditions
  done clear
  View Answer play_arrow

• question_answer52) The decreasing order of nucleophilicity among the nucleophiles (A)\[C{{H}_{3}}\underset{\begin{smallmatrix}  |\,| \\  O \end{smallmatrix}}{\mathop{C}}\,-{{O}^{-}}\]                    (B) \[C{{H}_{3}}{{O}^{-}}\] (C) \[C{{N}^{-}}\] (D)     AIEEE  Solved  Paper-2005
  A)
  (C), (B), (A), (D)   
  done clear
  B)
         (B), (C), (A), (D)
  done clear
  C)
                         (D), (C), (B), (A)  
  done clear
  D)
        (A), (B), (C), (D)
  done clear
  View Answer play_arrow

• question_answer53) Tertiary alkyi halides are practically inert to substitution by\[{{S}_{N}}2\]mechanism because of     AIEEE  Solved  Paper-2005
  A)
  steric hindrance               
  done clear
  B)
  inductive effect
  done clear
  C)
                         instability          
  done clear
  D)
         insolubility
  done clear
  View Answer play_arrow

• question_answer54) In both DNA and RNA, heterocyclic base and phosphate ester linkages are at     AIEEE  Solved  Paper-2005
  A)
  \[C_{5}^{'}\]and\[C_{1}^{'}\]respectively of the sugar molecule
  done clear
  B)
  \[C_{1}^{'}\]and\[C_{5}^{'}\]respectively of the sugar molecule
  done clear
  C)
  \[C_{2}^{'}\]and\[C_{5}^{'}\]respectively of the sugar molecule
  done clear
  D)
  \[C_{5}^{'}\]and\[C_{2}^{'}\]respectively of the sugar molecule
  done clear
  View Answer play_arrow

• question_answer55) Among the following acids which has the lowest\[p{{K}_{a}}\]value?     AIEEE  Solved  Paper-2005
  A)
  \[C{{H}_{3}}C{{H}_{2}}COOH\]
  done clear
  B)
  \[{{(C{{H}_{3}})}_{2}}CHCOOH\]
  done clear
  C)
  \[HCOOH\]
  done clear
  D)
  \[C{{H}_{3}}COOH\]
  done clear
  View Answer play_arrow

• question_answer56) Of the five isomeric hexanes, the isomer which can give two monochlorinated compounds is     AIEEE  Solved  Paper-2005
  A)
  2-methylpentane
  done clear
  B)
  2, 2-dimethylbutane
  done clear
  C)
  2, 3-dimethylbutane
  done clear
  D)
  \[n-\]hexane
  done clear
  View Answer play_arrow

• question_answer57) Alkyi halides react with dialkyi copper reagents to give     AIEEE  Solved  Paper-2005
  A)
  alkenyl halides                 
  done clear
  B)
  alkanes
  done clear
  C)
         alkyi copper halides       
  done clear
  D)
  alkenes
  done clear
  View Answer play_arrow

• question_answer58) Which one of the following methods is neither meant for the synthesis nor for separation of amines?     AIEEE  Solved  Paper-2005
  A)
  Curtius reaction
  done clear
  B)
  Wurtz reaction
  done clear
  C)
  Hofmann method
  done clear
  D)
  Hinsberg method
  done clear
  View Answer play_arrow

• question_answer59) Which types of isomerism is shown by 2, 3-dichlorobutane?     AIEEE  Solved  Paper-2005
  A)
  Structural   
  done clear
  B)
        Geometric         
  done clear
  C)
         Optical           
  done clear
  D)
         Diastereo
  done clear
  View Answer play_arrow

• question_answer60) Amongst the following the most basic compound is     AIEEE  Solved  Paper-2005
  A)
  p-nitroaniline
  done clear
  B)
  acetanilide
  done clear
  C)
  aniline
  done clear
  D)
  benzylamine
  done clear
  View Answer play_arrow

• question_answer61) Acid catalysed hydration of alkenes except ethene leads to the formation of     AIEEE  Solved  Paper-2005
  A)
  pmixture of secondary and tertiary alcohols
  done clear
  B)
  mixture of primary and secondary alcohols
  done clear
  C)
  secondary or tertiary alcohol
  done clear
  D)
  primary alcohol
  done clear
  View Answer play_arrow

• question_answer62) Which of the following is fully fluorinated polymer?     AIEEE  Solved  Paper-2005
  A)
                                          PVC                                       
  done clear
  B)
  Thiokol                
  done clear
  C)
  Teflon            
  done clear
  D)
         Neoprene
  done clear
  View Answer play_arrow

• question_answer63) Elimination of bromine from 2-bromobutane results in the formation of     AIEEE  Solved  Paper-2005
  A)
  predominantly 2-butyne
  done clear
  B)
  predominantly 1 ?butene
  done clear
  C)
  ppredominantly 2-butene
  done clear
  D)
  equimolar mixture of 1 and 2-butene
  done clear
  View Answer play_arrow

• question_answer64) Equimolar solutions in the same solvent have     AIEEE  Solved  Paper-2005
  A)
  different boiling and different freezing points
  done clear
  B)
  same boiling and same freezing points
  done clear
  C)
  same freezing point but different boiling point
  done clear
  D)
  same boiling point but different freezing point
  done clear
  View Answer play_arrow

• question_answer65) The reaction, \[R-\overset{\begin{smallmatrix}  O \\  |\,| \end{smallmatrix}}{\mathop{C}}\,-X+N{{u}^{\text{O-}}}\]                                 \[\xrightarrow{{}}R-\overset{\begin{smallmatrix}  O \\  |\,| \end{smallmatrix}}{\mathop{C}}\,-Nu+{{X}^{\text{O-}}}\] is fastest when X is     AIEEE  Solved  Paper-2005
  A)
  \[OCOR\]          
  done clear
  B)
         \[O{{C}_{2}}{{H}_{5}}\] 
  done clear
  C)
         \[N{{H}_{2}}\]                  
  done clear
  D)
         \[Cl\]
  done clear
  View Answer play_arrow

• question_answer66) The structure of diborane\[({{B}_{2}}{{H}_{6}})\]contains     AIEEE  Solved  Paper-2005
  A)
  four\[2C-2{{e}^{-}}\]bonds and four\[3C-2{{e}^{-}}\]bonds
  done clear
  B)
  two\[2C-2{{e}^{-}}\]bonds and two\[3C-3{{e}^{-}}\]bonds
  done clear
  C)
  two\[2C-2{{e}^{-}}\]bonds and four\[3C-2{{e}^{-}}\]bonds
  done clear
  D)
  four\[2C-2{{e}^{-}}\]bonds and two\[3C-2{{e}^{-}}\]bonds
  done clear
  View Answer play_arrow

• question_answer67) Which of the following statements in relation to the hydrogen atom is correct?     AIEEE  Solved  Paper-2005
  A)
  3s, 3pand 3d orbitals all have the same energy
  done clear
  B)
  3s and 3p orbitals are of lower energy than 3d orbital
  done clear
  C)
  3porbital is lower in energy than 3d orbital
  done clear
  D)
  3s orbital is lower in energy than 3porbital
  done clear
  View Answer play_arrow

• question_answer68) Which of the following factors may be regarded as the main cause of lanthanide contraction?     AIEEE  Solved  Paper-2005
  A)
  Greater shielding of 5d electron by 4f electrons
  done clear
  B)
  Poorer shielding of 5d electron by 4f electrons
  done clear
  C)
  Effective shielding of one of 4f electrons by another in the sub-shell
  done clear
  D)
  Poor shielding of one of 4f electron by another in the sub-shell
  done clear
  View Answer play_arrow

• question_answer69) The value of the 'spin only' magnetic moment for one of the following configurations is 2.84 BM. The correct one is     AIEEE  Solved  Paper-2005
  A)
  \[{{d}^{5}}\](in strong ligand field)
  done clear
  B)
  \[{{d}^{3}}\](in weak as well as in strong fields)
  done clear
  C)
  \[{{d}^{4}}\](in weak ligand field)
  done clear
  D)
  \[{{d}^{4}}\](in strong ligand field)
  done clear
  View Answer play_arrow

• question_answer70) Reaction of cyclohexanone with dimethylamine in the presence of catalytic amount of an acid forms a compound. Water during the reaction is continuously removed. The compound formed is generally known as     AIEEE  Solved  Paper-2005
  A)
                                          an amine       
  done clear
  B)
         an imine              
  done clear
  C)
         anenamine     
  done clear
  D)
         a Schiff's base
  done clear
  View Answer play_arrow

• question_answer71) p-cresol reacts with chloroform in alkaline medium to give the compound A which adds hydrogen cyanide to form, the compound B. The latter on acidic hydrolysis gives chiral carboxylic acid. The structure of the carboxylic acid is     AIEEE  Solved  Paper-2005
  A)
  
  done clear
  B)
        
  done clear
  C)
  
  done clear
  D)
        
  done clear
  View Answer play_arrow

• question_answer72) If the bond dissociation energies of\[XY,{{X}_{2}}\]and \[{{Y}_{2}}\](all diatomic molecules) are in the ratio of 1: 1: 0.5 and\[\Delta {{H}_{f}}\]for the formation of\[XY\]is\[-200\text{ }kJ\text{ }mo{{l}^{-1}}\]. The bond dissociation energy of \[{{X}_{2}}\] will be     AIEEE  Solved  Paper-2005
  A)
  \[400\text{ }kJ\text{ }mo{{l}^{-1}}\]
  done clear
  B)
         \[300\text{ }kJ\text{ }mo{{l}^{-1}}\]
  done clear
  C)
                         \[200\text{ }kJ\text{ }mo{{l}^{-1}}\]    
  done clear
  D)
         None of these
  done clear
  View Answer play_arrow

• question_answer73) An amount of solid\[N{{H}_{4}}HS\]is placed in a flask already containing ammonia   gas   at   a   certain temperature and 0.50 atm pressure. Ammonium   hydrogen   sulphide decomposes to yield\[N{{H}_{3}}\]and\[{{H}_{2}}S\]gases in the flask. When the decomposition reaction reaches equilibrium, the total pressure in the flask rises to 0.84 atm? The equilibrium constant for \[N{{H}_{4}}HS\] decomposition at this temperature is     AIEEE  Solved  Paper-2005
  A)
  0.11
  done clear
  B)
                                         0.17                       
  done clear
  C)
  0.18                       
  done clear
  D)
         0.30
  done clear
  View Answer play_arrow

• question_answer74) An organic compound having molecular mass 60 is found to contain C = 20%, H = 6.67% and N = 46.67% while rest is oxygen. On heating it gives\[N{{H}_{3}}\]along with a solid residue. The solid residue give violet colour with alkaline copper sulphate solution. The compound is     AIEEE  Solved  Paper-2005
  A)
  \[C{{H}_{3}}C{{H}_{2}}CON{{H}_{2}}\]  
  done clear
  B)
         \[{{(N{{H}_{2}})}_{2}}CO\]          
  done clear
  C)
         \[C{{H}_{3}}CON{{H}_{2}}\]     
  done clear
  D)
         \[C{{H}_{3}}NCO\]
  done clear
  View Answer play_arrow

• question_answer75) \[{{t}_{1/4}}\]can be taken as the time taken for the concentration of a reactant to drop to 3/4 of its Initial value. If the rate constant for a first order reaction is k, the \[{{t}_{1/4}}\] can be written as     AIEEE  Solved  Paper-2005
  A)
  0.75/k  
  done clear
  B)
         0.69/k  
  done clear
  C)
         0.291k  
  done clear
  D)
         0.10/k
  done clear
  View Answer play_arrow