Solved papers for JEE Main & Advanced AIEEE Solved Paper-2003

done AIEEE Solved Paper-2003 Total Questions - 7

• question_answer1) When during electrolysis of a solution of \[AgN{{O}_{3}}\], 9650 coulombs of charge pass through the electroplating bath, the mass of silver deposited on the cathode will be     AIEEE  Solved  Paper-2003
  A)
                          \[1.08\] g                            
  done clear
  B)
  \[10.8\] g                            
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  C)
  \[21.6\] g                            
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  D)
  108 g
  done clear
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• question_answer2) For the redox reaction, \[Zn(s)+C{{u}^{2+}}(0.1M)\xrightarrow{{}}Z{{n}^{2+}}(1M)+Cu(s)\]taking place in a cell, \[E_{cell}^{o}\] is \[1.10\] volt. \[{{E}_{cell}}\] for the cell will be \[\left( 2.303\frac{RT}{F}=0.0591 \right)\]     AIEEE  Solved  Paper-2003
  A)
                          \[2.14\] V                           
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  B)
  \[1.80\] V                           
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  C)
  \[1.07\] V                           
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  D)
  \[0.82\] V
  done clear
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• question_answer3) For a cell reaction involving a two-electron change, the standard emf of the cell is found to be \[0.295\] V at \[{{25}^{o}}C\]. The equilibrium constant of the reaction at \[{{25}^{o}}C\] will be     AIEEE  Solved  Paper-2003
  A)
  \[1\times {{10}^{-10}}\]               
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  B)
        \[29.5\times {{10}^{-2}}\]                            
  done clear
  C)
  10                                          
  done clear
  D)
  \[1\times {{10}^{10}}\]
  done clear
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• question_answer4) In an irreversible process taking place at constant T and p and in which only pressure-volume work is being done, the change in Gibbs free energy (dG) and change in entropy (dS), satisfy the criteria     AIEEE  Solved  Paper-2003
  A)
  \[{{(dS)}_{V,E}}<0,{{(dG)}_{T,P}}<0\]    
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  B)
  \[{{(dS)}_{V,E}}>0,{{(dG)}_{T,P}}<0\]
  done clear
  C)
  \[{{(dS)}_{V,E}}=0,{{(dG)}_{T,P}}=0\]
  done clear
  D)
  \[{{(dS)}_{V,E}}=0,{{(dG)}_{T,P}}>0\]
  done clear
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• question_answer5) Standard reduction electrode potentials of three metals A, B and C are \[+1.5\] V, \[-3.0\] V and \[-1.2\] V respectively. The reducing power of these metals are     AIEEE  Solved  Paper-2003
  A)
  \[B>C>A\]       
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  B)
        \[A>B>C\]                          
  done clear
  C)
  \[C>B>A\]      
  done clear
  D)
                        \[A>C>B\]
  done clear
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• question_answer6) Which one of the following statements is not true?       AIEEE  Solved  Paper-2003
  A)
  The conjugate base of \[{{H}_{2}}PO_{4}^{-}\] is \[HPO_{4}^{2-}\]
  done clear
  B)
  \[pH+pOH=14\] for all aqueous solutions
  done clear
  C)
  The pH of \[1\times {{10}^{-8}}M\]HCl is 8
  done clear
  D)
  96,500 coulombs of electricity when passed through a \[CuS{{O}_{4}}\] solution deposit 1g equivalent of copper at the cathode 
  done clear
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• question_answer7) Which of the following could act as a propellant for rockets?      AIEEE  Solved  Paper-2003
  A)
  Liquid hydrogen + liquid nitrogen
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  B)
  Liquid oxygen + liquid argon
  done clear
  C)
  Liquid hydrogen + liquid oxygen
  done clear
  D)
   Liquid nitrogen + liquid oxygen    
  done clear
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