Solved papers for JEE Main & Advanced AIEEE Solved Paper-2004

done AIEEE Solved Paper-2004 Total Questions - 4

• question_answer1) Of the following outer electronic configurations of atoms, the highest oxidation state is achieved by which one of them?
  A)
  \[(n-1){{d}^{8}}n{{s}^{2}}\]        
  done clear
  B)
         \[(n-1){{d}^{5}}n{{s}^{1}}\]                        
  done clear
  C)
  \[(n-1){{d}^{3}}n{{s}^{2}}\]        
  done clear
  D)
         \[(n-1){{d}^{5}}n{{s}^{2}}\]
  done clear
  View Answer play_arrow

• question_answer2) Excess of\[KI\]reacts with\[CuS{{O}_{4}}\]solution and then\[N{{a}_{2}}{{S}_{2}}{{O}_{3}}\]solution is added to it. Which of the statements is incorrect for this reaction?
  A)
  \[C{{u}_{2}}{{l}_{2}}\]is formed
  done clear
  B)
  \[Cu{{l}_{2}}\]is formed
  done clear
  C)
  \[N{{a}_{2}}{{S}_{2}}{{O}_{3}}\]is oxidized
  done clear
  D)
  Evolved\[{{I}_{2}}\]is reduced
  done clear
  View Answer play_arrow

• question_answer3) Among the properties (A) reducing (B) oxidizing (C) completing, the set of properties shown by\[C{{N}^{-}}\]ion towards metal species is
  A)
  A, B
  done clear
  B)
                         B, C       
  done clear
  C)
         C, A       
  done clear
  D)
         A, B, C
  done clear
  View Answer play_arrow

• question_answer4) Cerium\[(Z=58)\]is an important member of the lanthanides. Which of the following statements about cerium is incorrect?
  A)
  The common oxidation states of cerium are + 3 and + 4
  done clear
  B)
  The +3 oxidation state of cerium is more stable than the + 4 oxidation state
  done clear
  C)
  The + 4 oxidation state of cerium is not known in solutions
  done clear
  D)
  Cerium (IV) acts as an oxidizing agent
  done clear
  View Answer play_arrow