Solved papers for JEE Main & Advanced AIEEE Solved Paper-2008

done AIEEE Solved Paper-2008 Total Questions - 35

• question_answer1) Which one of the following is the correct statement?       AIEEE  Solved  Paper-2007
  A)
  Chlorides of both beryllium and aluminium have bridged chloride structures in solid phase.
  done clear
  B)
  \[{{B}_{2}}{{H}_{6}}.2N{{H}_{3}}\] is known as ?inorganic benzene?.
  done clear
  C)
  Boric acid is a protonic acid.
  done clear
  D)
  Beryllium exhibits coordination number of six.
  done clear
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• question_answer2) The treatment of \[C{{H}_{3}}MgX\] with \[C{{H}_{3}}C\equiv C-H\] produces       AIEEE  Solved  Paper-2007
  A)
  \[C{{H}_{3}}-\overset{\begin{smallmatrix}  H \\  | \end{smallmatrix}}{\mathop{C}}\,=\overset{\begin{smallmatrix}  H \\  | \end{smallmatrix}}{\mathop{C}}\,-C{{H}_{3}}\]
  done clear
  B)
  \[C{{H}_{4}}\]   
  done clear
  C)
                         \[C{{H}_{3}}-CH=C{{H}_{2}}\]    
  done clear
  D)
  \[C{{H}_{3}}C\equiv C-C{{H}_{3}}\]
  done clear
  View Answer play_arrow

• question_answer3) The correct decreasing order of priority for the functional groups of organic compounds in the IUPAC system of nomenclature is       AIEEE  Solved  Paper-2007
  A)
  \[-CHO,-COOH,-S{{O}_{3}}H,-CON{{H}_{2}}\]
  done clear
  B)
  \[-CON{{H}_{2}},-CHO,-S{{O}_{3}}H,-COOH\]
  done clear
  C)
  \[-COOH,-S{{O}_{3}}H,-CON{{H}_{2}},-CHO\]
  done clear
  D)
  \[-S{{O}_{3}}H,-COOH,-CON{{H}_{2}},-CHO\]
  done clear
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• question_answer4) The \[p{{K}_{a}}\] of a weak acid, HA is 4.80. The \[p{{K}_{b}}\] of a weak base, BOH, is 4.78. The pH of an aqueous solution of the corresponding salt, BA, will be       AIEEE  Solved  Paper-2007
  A)
  7.01
  done clear
  B)
                         9.22       
  done clear
  C)
  9.58                       
  done clear
  D)
  4.79
  done clear
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• question_answer5) The hydrocarbon which can react with sodium in liquid ammonia is       AIEEE  Solved  Paper-2007
  A)
  \[C{{H}_{3}}CH=CHC{{H}_{3}}\]
  done clear
  B)
  \[C{{H}_{3}}C{{H}_{2}}C\equiv CC{{H}_{2}}C{{H}_{3}}\]
  done clear
  C)
  \[C{{H}_{3}}C{{H}_{2}}C{{H}_{2}}C\equiv CC{{H}_{2}}C{{H}_{2}}C{{H}_{3}}\]
  done clear
  D)
  \[C{{H}_{3}}C{{H}_{2}}C\equiv CH\]
  done clear
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• question_answer6) Given \[E_{C{{r}^{3+}}/Cr}^{o}=-0.72\,V,\,\,E_{F{{e}^{2+}}/Fe}^{o}=-0.42\,V\]. The potential for the cell \[Cr\left| C{{r}^{3+}}(0.1\,M)\, \right|\left| F{{e}^{2+}}(0.1\,M)\, \right|\] Fe is       AIEEE  Solved  Paper-2007
  A)
  - 0.339 V             
  done clear
  B)
  - 0.26 V                
  done clear
  C)
  0.26 V   
  done clear
  D)
  0.339 V
  done clear
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• question_answer7) Amount of oxalic acid present in a solution can be determined by its titration with \[KMn{{O}_{4}}\] solution in the presence of \[{{H}_{2}}S{{O}_{4}}\]. The titration gives unsatisfactory result when carried out in the presence of HCl, because HCl       AIEEE  Solved  Paper-2007
  A)
  reduces permanganate to \[M{{n}^{2+}}\].
  done clear
  B)
  oxidises oxalic acid to carbon dioxide and water.
  done clear
  C)
  gets oxidised by oxalic acid to chlorine.
  done clear
  D)
  furnishes \[{{H}^{+}}\] ions in addition to those from oxalic acid.
  done clear
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• question_answer8) Among the following substituted silanes the one which will give rise to cross linked silicone polymer on hydrolysis is       AIEEE  Solved  Paper-2007
  A)
  \[{{R}_{2}}SiC{{l}_{2}}\]
  done clear
  B)
         \[{{R}_{3}}SiCl\]               
  done clear
  C)
         \[{{R}_{4}}Si\]   
  done clear
  D)
         \[RSiC{{l}_{3}}\]
  done clear
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• question_answer9) Oxidising power of chlorine in aqueous solution can be determined by the parameters indicated below:

  \[\frac{1}{2}C{{l}_{2}}(g)\xrightarrow{\frac{1}{2}{{\Delta }_{diss}}{{H}^{\Theta }}}Cl(g)\xrightarrow{{{\Delta }_{eg}}{{H}^{\Theta }}}C{{l}^{-}}\]\[(g)\xrightarrow{\frac{1}{2}{{\Delta }_{hyd}}{{H}^{\Theta }}}C{{l}^{-}}(aq)\]

  The energy involved in the conversion of

  \[\frac{1}{2}C{{l}_{2}}(g)\] to \[C{{l}^{-}}(aq)\]

  (using the data, \[{{\Delta }_{diss}}H_{C{{l}_{2}}}^{\Theta }=240\,kJ\,mo{{l}^{-1}},\,{{\Delta }_{eg}}H_{Cl}^{\Theta }=-349\]\[kJ\,mo{{l}^{-1}},{{\Delta }_{hyd}}{{H}_{C{{l}^{-}}}}=-381\,kJ\,mo{{l}^{-1}})\] will be

      AIEEE  Solved  Paper-2007
  A)
  - 850 kJ \[mo{{l}^{-1}}\]
  done clear
  B)
  +120 kJ \[mo{{l}^{-1}}\]                
  done clear
  C)
  +152 kJ \[mo{{l}^{-1}}\]
  done clear
  D)
  - 610 kJ \[mo{{l}^{-1}}\]
  done clear
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• question_answer10) Which of the following factors is of no significance for roasting sulphide ores to the oxides and not subjecting the sulphide ores to carbon reduction directly?       AIEEE  Solved  Paper-2007
  A)
  Metal sulphides are less stable than the corresponding oxides.
  done clear
  B)
  \[C{{O}_{2}}\] is more volatile than\[C{{S}_{2}}\].
  done clear
  C)
  Metal sulphides are thermodynamically more stable than \[C{{S}_{2}}\].
  done clear
  D)
  \[C{{O}_{2}}\] is thermodynamically more stable than\[C{{S}_{2}}\].
  done clear
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• question_answer11) Which one of the following constitutes a group of the isoelectronic species?       AIEEE  Solved  Paper-2007
  A)
  \[C{{N}^{-}},{{N}_{2}},O_{2}^{2-},C_{2}^{2-}\]  
  done clear
  B)
  \[{{N}_{2}},O_{2}^{-},N{{O}^{+}},CO\]
  done clear
  C)
                         \[C_{2}^{2-},O_{2}^{-},CO,NO\]                
  done clear
  D)
                         \[N{{O}^{+}},C_{2}^{2-},C{{N}^{-}},{{N}_{2}}\]                
  done clear
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• question_answer12) Phenol, when it first reacts with concentrated sulphuric acid and then with concentrated nitric acid, gives       AIEEE  Solved  Paper-2007
  A)
  p-nitrophenol  
  done clear
  B)
  nitrobenzene
  done clear
  C)
  2, 4, 6-trinitrobenzene
  done clear
  D)
  o-nitrophenol
  done clear
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• question_answer13)   The ionization enthalpy of hydrogen atom is\[1.312\times {{10}^{6}}J\,mo{{l}^{-1}}\]. The energy required to excite the electron in the atom from \[n=1\]to \[n=2\] is       AIEEE  Solved  Paper-2007
  A)
  \[7.56\times {{10}^{5}}J\,mo{{l}^{-1}}\]
  done clear
  B)
         \[9.84\times {{10}^{5}}J\,mo{{l}^{-1}}\]
  done clear
  C)
         \[8.51\times {{10}^{5}}J\,mo{{l}^{-1}}\]
  done clear
  D)
         \[6.56\times {{10}^{5}}J\,mo{{l}^{-1}}\]
  done clear
  View Answer play_arrow

• question_answer14) The organic chloro compound, which shows complete stereochemical inversion during a \[{{S}_{N}}2\] reaction, is       AIEEE  Solved  Paper-2007
  A)
  \[{{(C{{H}_{3}})}_{2}}CHCl\]       
  done clear
  B)
  \[C{{H}_{3}}Cl\]               
  done clear
  C)
                         \[{{({{C}_{2}}{{H}_{5}})}_{2}}CHCl\]
  done clear
  D)
         \[{{(C{{H}_{3}})}_{3}}CCl\]
  done clear
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• question_answer15) Toluene is nitrated and the resulting product is reduced with tin and hydrochloric acid. The product so obtained is diazotized and then heated with cuprous bromide. The reaction mixture so formed contains       AIEEE  Solved  Paper-2007
  A)
  mixture of o - and p - bromoanilines
  done clear
  B)
  mixture of o - and m - bromotoluenes
  done clear
  C)
  mixture of o - and p - bromotoluenes
  done clear
  D)
  mixture of o - and p - dibromobenzenes
  done clear
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• question_answer16) In the following sequence of reactions, the alkene affords the compound 'B' \[C{{H}_{3}}CH=CHC{{H}_{3}}\xrightarrow{{{O}_{3}}}A\,\xrightarrow[Zn]{{{H}_{2}}O}\,B\]. The compound B is       AIEEE  Solved  Paper-2007
  A)
  \[C{{H}_{3}}C{{H}_{2}}COC{{H}_{3}}\]    
  done clear
  B)
  \[C{{H}_{3}}CHO\]          
  done clear
  C)
  \[C{{H}_{3}}C{{H}_{2}}CHO\]
  done clear
  D)
  \[C{{H}_{3}}COC{{H}_{3}}\]
  done clear
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• question_answer17) Which one of the following pairs of species have the same bond order?       AIEEE  Solved  Paper-2007
  A)
  \[O_{2}^{-}\] and \[C{{N}^{-}}\]
  done clear
  B)
         \[N{{O}^{+}}\]and \[C{{N}^{+}}\]
  done clear
  C)
         \[C{{N}^{-}}\] and \[N{{O}^{+}}\]
  done clear
  D)
         \[C{{N}^{-}}\]and \[C{{N}^{+}}\]
  done clear
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• question_answer18) At \[{{80}^{o}}C\], the vapour pressure of pure liquid  'A' is 520 mm Hg and that of pure liquid 'B' is 1000 mm Hg. If a mixture solution of 'A' and 'B' boils at \[{{80}^{o}}C\] and 1 atm pressure, the amount of 'A' in the mixture is (1 atm = 760 mm Hg)       AIEEE  Solved  Paper-2007
  A)
  48 mol percent
  done clear
  B)
  50 mol percent
  done clear
  C)
  52 mol percent
  done clear
  D)
  34 mol percent
  done clear
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• question_answer19) For a reaction \[\frac{1}{2}A\xrightarrow{{}}2B\], rate of disappearance of 'A' is related to the rate of appearance of 'B' by the expression       AIEEE  Solved  Paper-2007
  A)
  \[-\frac{d[A]}{dt}=\frac{d[B]}{dt}\]
  done clear
  B)
  \[-\frac{d[A]}{dt}=4\frac{d[B]}{dt}\]      
  done clear
  C)
  \[-\frac{d[A]}{dt}=\frac{1}{2}\frac{d[B]}{dt}\]                
  done clear
  D)
  \[-\frac{d[A]}{dt}=\frac{1}{4}\frac{d[B]}{dt}\]                
  done clear
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• question_answer20) The equilibrium constants \[{{K}_{{{p}_{1}}}}\] and \[{{K}_{{{p}_{2}}}}\] for the reactions \[X2Y\] and \[ZP+Q\], respectively are in the ratio of 1 : 9. If the degree of dissociation of X and Z be equal then the ratio of total pressures at these equilibria is       AIEEE  Solved  Paper-2007
  A)
  1 : 3                       
  done clear
  B)
         1 : 9       
  done clear
  C)
         1 : 36     
  done clear
  D)
         1 : 1
  done clear
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• question_answer21) In context with the industrial preparation of hydrogen from water gas \[(CO+{{H}_{2}})\], which of the following is the correct statement?       AIEEE  Solved  Paper-2007
  A)
  \[{{H}_{2}}\] is removed through occlusion with Pd.
  done clear
  B)
  CO is oxidised to \[C{{O}_{2}}\] with steam in the presence of a catalyst followed by absorption of \[C{{O}_{2}}\] in alkali.
  done clear
  C)
  CO and \[{{H}_{2}}\] are fractionally separated using differences in their densities.
  done clear
  D)
  CO is removed by absorption in aqueous \[C{{u}_{2}}C{{l}_{2}}\] solution.
  done clear
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• question_answer22) In which of the following octahedral complexes of Co (atomic number 27), will the magnitude of \[{{\Delta }_{o}}\]be the highest?       AIEEE  Solved  Paper-2007
  A)
  \[{{[Co{{({{H}_{2}}O)}_{6}}]}^{3+}}\]      
  done clear
  B)
  \[{{[Co{{(N{{H}_{3}})}_{6}}]}^{3+}}\]
  done clear
  C)
                         \[{{[Co{{(CN)}_{6}}]}^{3-}}\]
  done clear
  D)
         \[{{[Co{{({{C}_{2}}{{O}_{4}})}_{3}}]}^{3-}}\]
  done clear
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• question_answer23)   The coordination number and the oxidation state of the element 'E' in the complex \[[E{{(en)}_{2}}({{C}_{2}}{{O}_{4}})]N{{O}_{2}}\] (where (en) is ethylene diamine) are, respectively,       AIEEE  Solved  Paper-2007
  A)
  4 and 3
  done clear
  B)
  6 and 3
  done clear
  C)
  6 and 2
  done clear
  D)
  4 and 2
  done clear
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• question_answer24) Identify the wrong statement in the following:       AIEEE  Solved  Paper-2007
  A)
  Ozone layer does not permit infrared radiation from the sun to reach the earth.
  done clear
  B)
  Acid rain is mostly because of oxides of nitrogen and sulphur.
  done clear
  C)
  Chlorofluorocarbons are responsible for ozone layer depletion.
  done clear
  D)
  Greenhouse effect is responsible for global warming.
  done clear
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• question_answer25) Larger number of oxidation states are exhibited by the actinoids than those by lanthanoids, the main reason being       AIEEE  Solved  Paper-2007
  A)
  more energy difference between 5f and 6d than between 4f and 5d orbitals.
  done clear
  B)
  more reactive nature of the actinoids than the lanthanoids.
  done clear
  C)
  4f orbitals more diffused than the 5f orbitals.
  done clear
  D)
  lesser energy difference between 5f and 6d than between 4f and 5d orbitals.
  done clear
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• question_answer26) In a compound, atoms of element Y form \[ccp\] lattice and those of element X occupy 2/3rd of tetrahedral voids. The formula of the compound will be       AIEEE  Solved  Paper-2007
  A)
  \[{{X}_{2}}Y\]    
  done clear
  B)
         \[{{X}_{3}}{{Y}_{4}}\]     
  done clear
  C)
         \[{{X}_{4}}{{Y}_{3}}\]     
  done clear
  D)
         \[{{X}_{2}}{{Y}_{3}}\]
  done clear
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• question_answer27) Gold numbers of protective colloids (A), (B), (C) and (D) are 0.50, 0.01, 0.10 and 0.005, respectively. The correct order of their protective powers is       AIEEE  Solved  Paper-2007
  A)
  (A) < (C) < (B) < (D)        
  done clear
  B)
  (B) < (D) < (A) < (C)        
  done clear
  C)
  (D) < (A) < (C) < (B)        
  done clear
  D)
  (C) < (B) < (D) < (A)
  done clear
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• question_answer28) The vapour pressure of water at \[{{20}^{o}}C\] is 17.5 mm Hg. If 18 g of glucose \[({{C}_{6}}{{H}_{12}}{{O}_{6}})\] is added to 178.2 g of water at \[{{20}^{o}}C\], the vapour pressure of the resulting solution will be       AIEEE  Solved  Paper-2007
  A)
  16.500 mm Hg
  done clear
  B)
         17.325 mm Hg
  done clear
  C)
         17.675 mm Hg
  done clear
  D)
         15.750 mm Hg
  done clear
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• question_answer29) Bakelite is obtained from phenol by reacting with       AIEEE  Solved  Paper-2007
  A)
  \[C{{H}_{3}}COO{{H}_{3}}\]
  done clear
  B)
  \[HCHO\] 
  done clear
  C)
  \[{{(C{{H}_{2}}OH)}_{2}}\]          
  done clear
  D)
  \[C{{H}_{3}}CHO\]
  done clear
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• question_answer30) The absolute configuration of                 is       AIEEE  Solved  Paper-2007
  A)
  R, S                        
  done clear
  B)
         S, R                        
  done clear
  C)
  S, S                        
  done clear
  D)
         R, R
  done clear
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• question_answer31) For the following three reactions a, b, c equilibrium constants are given:

  a. \[CO(g)+{{H}_{2}}O(g)\underset{{}}{\overset{{}}{\longleftrightarrow}}C{{O}_{2}}(g)+{{H}_{2}}(g);{{K}_{1}}\]

  b. \[C{{H}_{4}}(g)+{{H}_{2}}O(g)\underset{{}}{\overset{{}}{\longleftrightarrow}}CO(g)+3{{H}_{2}}(g);{{K}_{2}}\]

  c. \[C{{H}_{4}}(g)+2{{H}_{2}}O(g)\underset{{}}{\overset{{}}{\longleftrightarrow}}C{{O}_{2}}(g)+4{{H}_{2}}(g);{{K}_{3}}\]

  Which of the following relations is correct?

      AIEEE  Solved  Paper-2007
  A)
  \[{{K}_{3}}={{K}_{1}}{{K}_{2}}\]                
  done clear
  B)
  \[{{K}_{3}}\,.\,\,K_{2}^{3}=K_{1}^{2}\]
  done clear
  C)
  \[{{K}_{1}}\sqrt{{{K}_{2}}}={{K}_{3}}\]                   
  done clear
  D)
  \[{{K}_{2}}{{K}_{3}}={{K}_{1}}\]
  done clear
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• question_answer32) Standard entropy of \[{{X}_{2}},{{Y}_{2}}\] and \[X{{Y}_{3}}\] are 60, 40 and \[50\,J{{K}^{-1}}mo{{l}^{-1}}\], respectively. For the reaction, \[\frac{1}{2}{{X}_{2}}+\frac{3}{2}{{Y}_{2}}\xrightarrow{{}}X{{Y}_{3}}\], \[\Delta H=-30\,kJ\], to be at equilibrium, the temperature will be       AIEEE  Solved  Paper-2007
  A)
  750 K
  done clear
  B)
                         1000 K  
  done clear
  C)
         1250 K  
  done clear
  D)
         500 K
  done clear
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• question_answer33) The electrophile, \[{{E}^{\Theta }}\] attacks the benzene ring to generate the intermediate\[\sigma \]-complex. Of the following, which \[\sigma \]-complex is of lowest energy?       AIEEE  Solved  Paper-2007
  A)
  
  done clear
  B)
   
  done clear
  C)
           
  done clear
  D)
        
  done clear
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• question_answer34) \[\alpha \] - D - (+) - glucose and \[\beta \] - D - (+) - glucose are       AIEEE  Solved  Paper-2007
  A)
  anomers             
  done clear
  B)
  enantiomers                     
  done clear
  C)
  conformers       
  done clear
  D)
  epimers
  done clear
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• question_answer35) This question contains Statement-1 and Statement -2. Of the four choices given after the statements, choose the one that best describes the two statements. Statement -1: Energy is released when heavy nuclei undergo fission or light nuclei undergo fusion. and Statement -2: For heavy nuclei, binding energy per nucleon increases with increasing Z while for light nuclei it decreases with increasing Z.       AIEEE  Solved  Paper-2007
  A)
  Statement -1 is true, Statement- 2 is true; Statement -2 is not a correct explanation for Statement-1
  done clear
  B)
  Statement -1 is true, Statement- 2 is false      
  done clear
  C)
  Statement -1 is false, Statement- 2 is true
  done clear
  D)
  Statement -1 is true, Statement- 2 is true; Statement -2 is a correct explanation for Statement-1
  done clear
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