Solved papers for JEE Main & Advanced AIEEE Solved Paper-2011

done AIEEE Solved Paper-2011 Total Questions - 30

• question_answer1) In context of the lanthanoids, which of the following statements is not correct?   AIEEE  Solved  Paper-2011
  A)
  Availability of 4f electrons results in the formation of compounds in \[+4\] state for all the members of the series
  done clear
  B)
  There is a gradual decrease in the radii of the members with increasing atomic number in the series
  done clear
  C)
  All the members exhibit \[+3\] oxidation state
  done clear
  D)
  Because of similar properties the separation of lanthanoids is not easy
  done clear
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• question_answer2) In a face centred cubic lattice, atom A occupies the corner positions and atom B occupies the face centre positions. If one atom of B is missing from one of the face centred points, the formula of the compound is   AIEEE  Solved  Paper-2011
  A)
  \[{{A}_{2}}{{B}_{5}}\]                                       
  done clear
  B)
  \[{{A}_{2}}B\]
  done clear
  C)
  \[A{{B}_{2}}\]                                      
  done clear
  D)
  \[{{A}_{2}}{{B}_{3}}\]
  done clear
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• question_answer3) The magnetic moment (spin only) of \[{{[NiC{{l}_{4}}]}^{2-}}\] is   AIEEE  Solved  Paper-2011
  A)
  \[1.41\] BM                           
  done clear
  B)
  \[1.82\] BM
  done clear
  C)
  \[5.46\] BM                           
  done clear
  D)
  \[2.82\] BM
  done clear
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• question_answer4) Which of the following facts about the complex \[[Cr{{(N{{H}_{3}})}_{6}}]C{{l}_{3}}\] is wrong?   AIEEE  Solved  Paper-2011
  A)
  The complex gives white precipitate with silver nitrate solution
  done clear
  B)
   The complex involves \[{{d}^{2}}s{{p}^{3}}\] hybridisation and is octahedral in shape
  done clear
  C)
  The complex is paramagnetic
  done clear
  D)
  The complex is an outer orbital complex
  done clear
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• question_answer5) The rate of a chemical reaction doubles for every \[{{10}^{o}}C\] rise of temperature. If the temperature is raised by \[{{50}^{o}}C\], the rate of the reaction increases by about   AIEEE  Solved  Paper-2011
  A)
  64 times                 
  done clear
  B)
  10 times
  done clear
  C)
  24 times                 
  done clear
  D)
  32 times
  done clear
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• question_answer6) 'a' and 'b' are van der Waals' constants for gases Chlorine is more easily liquefied than ethane because   AIEEE  Solved  Paper-2011
  A)
  a for \[C\,{{l}_{2}}>a\] for \[{{C}_{2}}{{H}_{6}}\] but b for \[C\,{{l}_{2}}<b\] for \[{{C}_{2}}{{H}_{6}}\]
  done clear
  B)
  a and b for \[C\,{{l}_{2}}>a\] and b for \[{{C}_{2}}{{H}_{6}}\]
  done clear
  C)
  a and b for \[C{{l}_{2}}<a\] and b for \[C{{\,}_{2}}{{H}_{6}}\]
  done clear
  D)
  a for \[C{{l}_{2}}<a\] for \[C{{\,}_{2}}{{H}_{6}}\] but b for \[C{{l}_{2}}>b\] for \[C{{\,}_{2}}{{H}_{6}}\]
  done clear
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• question_answer7) The hybridisation of orbitals of N atom in \[N{{O}_{3}}^{-},N{{O}_{2}}^{+}\] and \[N{{H}_{4}}^{+}\] are respectively   AIEEE  Solved  Paper-2011
  A)
  \[s{{p}^{2}},s{{p}^{3}},sp\]                            
  done clear
  B)
  \[sp,s{{p}^{2}},s{{p}^{3}}\]
  done clear
  C)
  \[s{{p}^{2}},sp,s{{p}^{3}}\]                            
  done clear
  D)
  \[sp,s{{p}^{3}},s{{p}^{2}}\]
  done clear
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• question_answer8) Ethylene glycol is used as an antifreeze in a cold climate. Mass of ethylene glycol which should be added to 4 kg of water to prevent it from freezing at \[-{{6}^{o}}C\] will be: (\[{{K}_{f}}\] for water \[=1.86\] K \[kgmo{{l}^{-1}}\] and molar mass of ethylene glycol \[=62kgmo{{l}^{-1}}\])   AIEEE  Solved  Paper-2011
  A)
  304.60 g                  
  done clear
  B)
  804.32 g
  done clear
  C)
  204.30 g                  
  done clear
  D)
  400.00 g
  done clear
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• question_answer9) The outer electron configuration of Gd (Atomic No.: 64) is   AIEEE  Solved  Paper-2011
  A)
  \[4{{f}^{7}}5{{d}^{1}}6{{s}^{2}}\]                 
  done clear
  B)
  \[4{{f}^{3}}5{{d}^{5}}6{{s}^{2}}\]
  done clear
  C)
  \[4{{f}^{8}}5{{d}^{0}}6{{s}^{2}}\]                 
  done clear
  D)
  \[4{{f}^{4}}5{{d}^{4}}6{{s}^{2}}\]
  done clear
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• question_answer10) The structure of \[I{{F}_{7}}\] is   AIEEE  Solved  Paper-2011
  A)
  Pentagonal bipyramid
  done clear
  B)
  Square pyramid
  done clear
  C)
  Trigonal bipyramid
  done clear
  D)
  Octahedral
  done clear
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• question_answer11) Ozonolysis of an organic compound gives formaldehyde as one of the products. This confirms the presence of :   AIEEE  Solved  Paper-2011
  A)
  An acetylenic triple bond
  done clear
  B)
  Two ethylenic double bonds
  done clear
  C)
  A vinyl group
  done clear
  D)
  An isopropyl group
  done clear
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• question_answer12) The degree of dissociation \[(\alpha )\] of a weak electrolyte, \[{{A}_{x}}{{B}_{y}}\] is related to van't Hoff factor (i) by the expression:   AIEEE  Solved  Paper-2011
  A)
  \[\alpha =\frac{x+y+1}{i-1}\]         
  done clear
  B)
  \[\alpha =\frac{i-1}{\left( x+y-1 \right)}\]
  done clear
  C)
  \[\alpha =\frac{i-1}{x+y+1}\]                         
  done clear
  D)
  \[\alpha =\frac{x+y-1}{i-1}\]
  done clear
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• question_answer13) A gas absorbs a photon of 355 nm and emits at two wavelengths. If one of the emissions is at 680 nm, the other is at :   AIEEE  Solved  Paper-2011
  A)
  518 nm                    
  done clear
  B)
  1035 nm
  done clear
  C)
  325 nm                    
  done clear
  D)
  743 nm
  done clear
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• question_answer14) Identify the compound that exhibits tautomerism.    AIEEE  Solved  Paper-2011
  A)
  Phenol                    
  done clear
  B)
  2?Butene
  done clear
  C)
  Lactic acid                              
  done clear
  D)
  2?Pentanone
  done clear
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• question_answer15) The entropy change involved in the isothermal reversible expansion of 2 moles of an ideal gas from a volume of \[10\,d{{m}^{3}}\] at \[{{27}^{o}}C\] is to a volume of \[100\,d{{m}^{3}}\]   AIEEE  Solved  Paper-2011
  A)
  \[42.3\] J \[mo{{l}^{-1}}\] \[{{K}^{-1}}\]    
  done clear
  B)
  \[38.3\]J \[mo{{l}^{-1}}\] \[{{K}^{-1}}\]
  done clear
  C)
  \[35.8\] J \[mo{{l}^{-1}}\] \[{{K}^{-1}}\]    
  done clear
  D)
  \[32.3\] J \[mo{{l}^{-1}}\] \[{{K}^{-1}}\]
  done clear
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• question_answer16) Silver Mirror test is given by which one of the following compounds?   AIEEE  Solved  Paper-2011
  A)
  Benzophenone   
  done clear
  B)
  Acetaldehyde
  done clear
  C)
  Acetone                 
  done clear
  D)
  Formaldehyde
  done clear
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• question_answer17) Trichloroacetaldehyde was subject to Cannizzaro's reaction by using NaOH. The mixture of the products contains sodium trichloroacetate and another compound. The other compound is :   AIEEE  Solved  Paper-2011
  A)
  Chloroform
  done clear
  B)
  2, 2, 2-Trichloroethanol
  done clear
  C)
  Trichloromethanol
  done clear
  D)
  2, 2, 2-Trichloropropanol
  done clear
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• question_answer18) The reduction potential of hydrogen half-cell will be negative if :   AIEEE  Solved  Paper-2011
  A)
  \[p({{H}_{2}})=2\] atm and \[[{{H}^{+}}]=2.0\] M
  done clear
  B)
  \[p({{H}_{2}})=1\] atm and \[[{{H}^{+}}]=2.0\] M
  done clear
  C)
  \[p({{H}_{2}})=1\] atm and \[[{{H}^{+}}]=1.0\] M
  done clear
  D)
  \[p({{H}_{2}})=2\] atm and \[[{{H}^{+}}]=1.0\] M
  done clear
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• question_answer19) Phenol is heated with a solution of mixture of KBr and \[KBr{{O}_{3}}\]. The major product obtained in the above reaction is:   AIEEE  Solved  Paper-2011
  A)
  2, 4, 6-Tribromophenol
  done clear
  B)
  2-Bromophenol
  done clear
  C)
  3-Bromophenol
  done clear
  D)
  4-Bromophenol
  done clear
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• question_answer20) Among the following the maximum covalent character is shown by the compound   AIEEE  Solved  Paper-2011
  A)
  \[MgC{{l}_{2}}\]                  
  done clear
  B)
  \[FeC{{l}_{2}}\]
  done clear
  C)
               \[SnC{{l}_{2}}\]                   
  done clear
  D)
               \[AlC{{l}_{2}}\]
  done clear
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• question_answer21) Boron cannot form which one of the following anions?   AIEEE  Solved  Paper-2011
  A)
  \[BO_{2}^{-}\]                                     
  done clear
  B)
  \[BE_{6}^{3-}\]
  done clear
  C)
  \[BH_{4}^{-}\]                                     
  done clear
  D)
  \[B(OH)_{4}^{-}\]
  done clear
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• question_answer22) Sodium ethoxide has reacted with ethanoyl chloride. The compound that is produced in the above reaction is.   AIEEE  Solved  Paper-2011
  A)
  Ethyl ethanoate  
  done clear
  B)
  Diethyl ether
  done clear
  C)
  2?Butanone                         
  done clear
  D)
  Ethyl chloride
  done clear
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• question_answer23) Which of the following reagents may be used to distinguish between phenol and benzoic acid?   AIEEE  Solved  Paper-2011
  A)
  Neutral \[FeC{{l}_{3}}\]
  done clear
  B)
  Aqueous \[NaOH\]
  done clear
  C)
  Tollen's reagent  
  done clear
  D)
  Molisch reagent
  done clear
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• question_answer24) A vessel at 1000 K contains \[C{{O}_{2}}\] with a pressure of \[0.5\] atm. Some of the \[C{{O}_{2}}\] is converted into CO on the addition of graphite. If the total pressure at equilibrium is \[0.8\] atm, the value of K is.   AIEEE  Solved  Paper-2011
  A)
  \[0.18\] atm                          
  done clear
  B)
  \[1.8\] atm
  done clear
  C)
  3 atm                                       
  done clear
  D)
  \[0.3\] atm
  done clear
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• question_answer25) The strongest acid amongst the following compounds is :   AIEEE  Solved  Paper-2011
  A)
  \[ClC{{H}_{2}}C{{H}_{2}}C{{H}_{2}}COOH\]
  done clear
  B)
  \[C{{H}_{3}}COOH\]
  done clear
  C)
  \[HCOOH\]
  done clear
  D)
  \[C{{H}_{3}}C{{H}_{2}}CH(Cl)C{{O}_{2}}H\]
  done clear
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• question_answer26) Which one of the following orders presents the correct sequence of the increasing basic nature of the given oxides?   AIEEE  Solved  Paper-2011
  A)
  \[{{K}_{2}}O<N{{a}_{2}}O<A{{l}_{2}}{{O}_{3}}<MgO\]
  done clear
  B)
  \[A{{l}_{2}}{{O}_{3}}<MgO<N{{a}_{2}}O<{{K}_{2}}O\]
  done clear
  C)
  \[MgO<{{K}_{2}}O<A{{l}_{2}}{{O}_{3}}<N{{a}_{2}}O\]
  done clear
  D)
  \[N{{a}_{2}}O<{{K}_{2}}O<MgO<A{{l}_{2}}{{O}_{3}}\]
  done clear
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• question_answer27) A 5.2 molal aqueous solution of methyl alcohol, \[C{{H}_{3}}OH\] is supplied. What is the mole fraction of methyl alcohol in the solution?   AIEEE  Solved  Paper-2011
  A)
  \[0.050\]                
  done clear
  B)
  \[0.100\]
  done clear
  C)
  \[0.190\]                
  done clear
  D)
  \[0.086\]
  done clear
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• question_answer28) The presence or absence of hydroxy group on which carbon atom of sugar differentiates RNA and DNA?   AIEEE  Solved  Paper-2011
  A)
  4th                                             
  done clear
  B)
  1st
  done clear
  C)
  2nd                                             
  done clear
  D)
  3rd
  done clear
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• question_answer29) Which of the following statement is wrong?   AIEEE  Solved  Paper-2011
  A)
  \[{{N}_{2}}{{O}_{4}}\] has two resonance structures
  done clear
  B)
  The stability of hydrides increases from \[N{{H}_{3}}\] to \[Bi{{H}_{3}}\] in group 15 of the periodic table
  done clear
  C)
  Nitrogen cannot form \[d\pi -p\pi \] bond
  done clear
  D)
  Single N - N bond is weaker than the single P - P bond
  done clear
  View Answer play_arrow

• question_answer30) Which of the following statements regarding sulphur is incorrect?   AIEEE  Solved  Paper-2011
  A)
  The oxidation state of sulphur is never less than \[+4\] in its compounds
  done clear
  B)
  \[{{S}_{2}}\] molecule is paramagnetic
  done clear
  C)
  The vapour at \[{{200}^{o}}C\] consists mostly of \[{{S}_{8}}\] rings
  done clear
  D)
  At \[{{600}^{o}}C\] the gas mainly consists of \[{{S}_{2}}\] molecules
  done clear
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