Solved papers for JEE Main & Advanced AIEEE Solved Paper-2012

done AIEEE Solved Paper-2012 Total Questions - 30

• question_answer1) Which among the following will be named as dibromidobis (ethylene diamine) chromium (III) bromide?   AIEEE  Solved  Paper-2012
  A)
  \[[Cr\,{{(en)}_{3}}]B{{r}_{3}}\]                  
  done clear
  B)
  \[[Cr\,{{(en)}_{2}}B{{r}_{2}}]Br\]
  done clear
  C)
  \[{{[Cr\,(en)B{{r}_{4}}]}^{-}}\]                      
  done clear
  D)
  \[[Cr\,(en)B{{r}_{2}}]Br\]
  done clear
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• question_answer2) Which method of purification is represented by the following equation: \[Ti\,(s)+2{{I}_{2}}(g)\xrightarrow{523K}Ti{{I}_{4}}(g)\xrightarrow{1700K}\] \[Ti(s)+2{{I}_{2}}(g)\]   AIEEE  Solved  Paper-2012
  A)
  Zone refining                       
  done clear
  B)
  Cupellation
  done clear
  C)
  Polling                     
  done clear
  D)
  Van Arkel
  done clear
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• question_answer3) Lithium forms body centred cubic structure. The length of the side of its unit cell is 351 pm. Atomic radius of the lithium will be :   AIEEE  Solved  Paper-2012
  A)
   75 pm                     
  done clear
  B)
  300 pm
  done clear
  C)
  240 pm                    
  done clear
  D)
  152 pm
  done clear
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• question_answer4) The molecule having smallest bond angle is :   AIEEE  Solved  Paper-2012
  A)
  \[NC{{l}_{3}}\]                                     
  done clear
  B)
  As\[C{{l}_{3}}\]
  done clear
  C)
  Sb\[C{{l}_{3}}\]3                 
  done clear
  D)
  \[PC{{l}_{3}}\]
  done clear
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• question_answer5) Which of the following compounds can be detected by Molisch?s test :   AIEEE  Solved  Paper-2012
  A)
  Nitro compounds               
  done clear
  B)
  Sugars
  done clear
  C)
  Amines                   
  done clear
  D)
  Primary alcohols
  done clear
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• question_answer6) The incorrect expression among the following is:   AIEEE  Solved  Paper-2012
  A)
  \[\frac{\Delta {{G}_{system}}}{\Delta {{S}_{total}}}=-T\]  
  done clear
  B)
  In isothermal process, \[{{w}_{reversible}}=-nRT\,\,\ell n\frac{{{V}_{f}}}{{{V}_{i}}}\]
  done clear
  C)
  \[InK=\frac{\Delta {{H}^{o}}-T\Delta {{S}^{o}}}{RT}\]         
  done clear
  D)
  \[K={{e}^{-\Delta {{G}^{o}}/RT}}\]
  done clear
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• question_answer7) The density of a solution prepared by dissolving 120 g of urea (mol. mass = 60 u) in 1000 g of water is 1.15 g/mL. The molarity of this solution is :   AIEEE  Solved  Paper-2012
  A)
  0.50 M                     
  done clear
  B)
  1.78 M
  done clear
  C)
  1.02 M                     
  done clear
  D)
  2.05 M
  done clear
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• question_answer8) The species which can best serve as an initiator for the cationic polymerization is :   AIEEE  Solved  Paper-2012
  A)
  \[LiAI{{H}_{4}}\]                  
  done clear
  B)
  \[HN{{O}_{3}}\]
  done clear
  C)
  \[AlC{{l}_{3}}\]                    
  done clear
  D)
  \[BaLi\]
  done clear
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• question_answer9) Which of the following on thermal decomposition yields a basic as well as acidic oxide?   AIEEE  Solved  Paper-2012
  A)
  \[NaN{{O}_{3}}\]                                
  done clear
  B)
  \[KCl{{O}_{3}}\]
  done clear
  C)
  \[CaC{{O}_{3}}\]                 
  done clear
  D)
  \[N{{H}_{4}}N{{O}_{3}}\]
  done clear
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• question_answer10) The standard reduction potentials for \[Z{{n}^{2}}/Zn,N{{i}^{2+}}/Ni\] and \[F{{e}^{2+}}/Fe\] are \[-0.76,-0.23\]and \[-0.44\] V respectively. The reaction \[X+{{Y}^{2}}+\to {{X}^{2+}}Y\] will be spontaneous when :   AIEEE  Solved  Paper-2012
  A)
  \[X=Ni,\,Y=Fe\]   
  done clear
  B)
  \[X=Ni,\,Y=Zn\]
  done clear
  C)
  \[X=Fe,\,Y=Zn\]  
  done clear
  D)
  \[X=Zn,\,Y=Ni\]
  done clear
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• question_answer11) According to Freundlich adsorption isotherm which of the following is correct?   AIEEE  Solved  Paper-2012
  A)
  \[\frac{x}{m}\propto {{p}^{o}}\]                 
  done clear
  B)
  \[\frac{x}{m}\propto {{p}^{1}}\]
  done clear
  C)
  \[\frac{x}{m}\propto {{p}^{1/n}}\]
  done clear
  D)
   All the above are correct for different ranges of pressure
  done clear
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• question_answer12) The equilibrium constant \[({{K}_{c}})\] for the reaction \[{{N}_{2}}(g)+{{O}_{2}}(g)\to 2NO\,\,(g)\] at temperature T is \[4\times {{10}^{-4}}\]. The value of \[{{K}_{c}}\] for the reaction \[NO(g)\to \frac{1}{2}{{N}_{2}}(g)+\frac{1}{2}\,\,\,{{O}_{2}}(g)\] at the same temperature is :   AIEEE  Solved  Paper-2012
  A)
  0.02                                          
  done clear
  B)
  \[2.5\times {{10}^{2}}\]
  done clear
  C)
  \[4\times {{10}^{-4}}\]                     
  done clear
  D)
  50.0
  done clear
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• question_answer13) The compressibility factor for a real gas at high pressure is :   AIEEE  Solved  Paper-2012
  A)
  \[1+RT/pb\]                         
  done clear
  B)
  1
  done clear
  C)
  \[1+pb/RT\]                          
  done clear
  D)
  \[1-pb/RT\]
  done clear
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• question_answer14) Which one of the following statements is correct?   AIEEE  Solved  Paper-2012
  A)
  All amino acids except lysine are optically active
  done clear
  B)
  All amino acids are optically active
  done clear
  C)
  All amino acids except glycine are optically active
  done clear
  D)
  All amino acids except glutamic acids are optically active
  done clear
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• question_answer15) Aspirin is known as:   AIEEE  Solved  Paper-2012
  A)
  Acetyl salicylic acid             
  done clear
  B)
  Phenyl salicylate
  done clear
  C)
  Acetyl salicylate                  
  done clear
  D)
  Methyl salicylic acid
  done clear
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• question_answer16) Ortho-Nitrophenol is less soluble in water than p- and m- Nitrophenols because :   AIEEE  Solved  Paper-2012
  A)
  o-Nitrophenol is more volatile steam than those of m- and p-isomers.
  done clear
  B)
  o-Nitrophenol shows Intramolecular H-bonding
  done clear
  C)
  o-Nitrophenol shows intermolecular H-bonding
  done clear
  D)
  Melting point of o-Nitrophenol is lower than those of m- and p-isomers.
  done clear
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• question_answer17) How many chiral compounds are possible on monochlorination of 2- methyl butane?   AIEEE  Solved  Paper-2012
  A)
  8                               
  done clear
  B)
  2
  done clear
  C)
  4                               
  done clear
  D)
  6
  done clear
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• question_answer18) Very pure hydrogen (99.9) can be made by which of the following processes?   AIEEE  Solved  Paper-2012
  A)
  Reaction of methane with steam
  done clear
  B)
  Mixing natural hydrocarbons of high molecular weight
  done clear
  C)
  Electrolysis of water
  done clear
  D)
  Reaction of salts like hydrides with water
  done clear
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• question_answer19) The electrons identified by quantum numbers n and \[\ell \] : (a) \[n=4,\,\,\ell =1\]                         (b) \[n=4,\,\,\ell =0\] (c) \[n=3,\,\,\ell =2\]                         (d) \[n=3,\,\,\ell =1\]can be placed in order of increasing energy as :   AIEEE  Solved  Paper-2012
  A)
  \[(c)<(d)<(b)<(a)\]            
  done clear
  B)
               \[(d)<(b)<(c)<(a)\]
  done clear
  C)
  \[(b)<(d)<(a)<(c)\]            
  done clear
  D)
  \[(a)<(c)<(b)<(d)\]
  done clear
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• question_answer20) For a first order reaction (A) \[\to \] products the concentration of A changes from 0.1 M to 0.025Min 40minutes. The rate of reaction when the concentration of A is 0.01 M is :   AIEEE  Solved  Paper-2012
  A)
  \[1.73\times {{10}^{-5}}\] M/min                
  done clear
  B)
  \[3.47\times {{10}^{-4}}\] M/min
  done clear
  C)
  \[3.47\times {{10}^{-5}}\] M/min                
  done clear
  D)
  \[1.73\times {{10}^{-4}}\] M/min
  done clear
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• question_answer21) Iron exhibits \[+2\] and \[+3\] oxidation states. Which of the following statements about iron is incorrect?   AIEEE  Solved  Paper-2012
  A)
  Ferrous oxide is more basic in nature than the ferric oxide.
  done clear
  B)
  Ferrous compounds are relatively more ionic than the corresponding ferric compounds
  done clear
  C)
  Ferrous compounds are less volatile than the corresponding ferric compounds
  done clear
  D)
  Ferrous compounds are more easily hydrolysed than the corresponding ferric compounds.
  done clear
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• question_answer22) The pH of a 0.1 molar solution of the acid HQ is 3. The value of the ionization constant, \[{{K}_{a}}\] of the acid is :   AIEEE  Solved  Paper-2012
  A)
  \[3\times {{10}^{-1}}\]                     
  done clear
  B)
  \[1\times {{10}^{-3}}\]
  done clear
  C)
  \[1\times {{10}^{-5}}\]                     
  done clear
  D)
  \[1\times {{10}^{-7}}\]
  done clear
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• question_answer23) Which branched chain isomer of the hydrocarbon with molecular mass 72u gives only one isomer of mono substituted alkyl halide?   AIEEE  Solved  Paper-2012
  A)
  Tertiary butyl chloride      
  done clear
  B)
  Neopentane
  done clear
  C)
  Isohexane                             
  done clear
  D)
  Neohexane
  done clear
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• question_answer24) \[{{K}_{f}}\] for water is \[1.86\]K kg \[mo{{l}^{-1}}\]. If your automobile radiator holds \[1.0\] kg of water, how may grams of ethylene glycol \[({{C}_{2}}{{H}_{6}}{{O}_{2}})\] must you add to get the freezing point of the solution lowered to \[-{{2.8}^{o}}C\]?   AIEEE  Solved  Paper-2012
  A)
  72 g                                          
  done clear
  B)
  93 g
  done clear
  C)
  39 g                                          
  done clear
  D)
  27 g
  done clear
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• question_answer25) What is DDT among the following :   AIEEE  Solved  Paper-2012
  A)
  Greenhouse gas
  done clear
  B)
  A fertilizer
  done clear
  C)
  Biodegradable pollutant
  done clear
  D)
  Non-biodegradable pollutant
  done clear
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• question_answer26) The increasing order of the ionic radii of the given isoelectronic species is :   AIEEE  Solved  Paper-2012
  A)
  \[C{{l}^{-}},C{{a}^{2+}},{{K}^{+}},{{S}^{2-}}\]         
  done clear
  B)
  \[{{S}^{2-}},C{{l}^{-}},C{{a}^{2+}},{{K}^{+}}\]
  done clear
  C)
  \[C{{a}^{2+}},{{K}^{+}},C{{l}^{-}},{{S}^{2-}}\]         
  done clear
  D)
  \[{{K}^{+}},{{S}^{2-}},C{{a}^{2+}},C{{l}^{-}}\]
  done clear
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• question_answer27) \[2-\] Hexyne gives trans \[-2-\]Hexene on treatment with :   AIEEE  Solved  Paper-2012
  A)
  \[Pt/{{H}_{2}}\]                   
  done clear
  B)
  \[Li/N{{H}_{3}}\]
  done clear
  C)
  \[Pd/BaS{{O}_{4}}\]                          
  done clear
  D)
  \[LiAI{{H}_{4}}\]
  done clear
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• question_answer28) Iodoform can be prepared from all except :   AIEEE  Solved  Paper-2012
  A)
  Ethyl methyl ketone         
  done clear
  B)
  Isopropyl alcohol
  done clear
  C)
  3-Methyl-2-butanone      
  done clear
  D)
  Isobutyl alcohol
  done clear
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• question_answer29) In which of the following pairs the two species are not is structural?   AIEEE  Solved  Paper-2012
  A)
  \[C{{O}_{3}}^{2-}\] and \[N{{O}_{3}}^{-}\]              
  done clear
  B)
  \[PC{{l}_{4}}^{+}\]and \[SiC{{l}_{4}}\]
  done clear
  C)
  \[P{{F}_{5}}\] and \[Br{{F}_{5}}\]
  done clear
  D)
  \[Al{{F}_{6}}^{3-}\] and \[S{{F}_{6}}\]
  done clear
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• question_answer30) In the given transformation, which the following is the most appropriate reagent?                AIEEE  Solved  Paper-2012
  A)
  \[N{{H}_{2}}N{{H}_{2}},\overset{\Theta }{\mathop{O}}\,H\]         
  done clear
  B)
  \[Zn-Hg/HCl\]
  done clear
  C)
  \[Na,Liq,N{{H}_{3}}\]                        
  done clear
  D)
  \[NaB{{H}_{4}}\]
  done clear
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