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

done AIEEE Solved Paper-2005 Total Questions - 6

• question_answer1) 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_answer2) 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
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• question_answer3) 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_answer4) 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_answer5) 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
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• question_answer6) 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
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