MCQs on Transition Elements - Elements of Group 3 to 12 

Dear chemistry students let's solve the MCQs on Transition Elements - Elements of Group 3 to 12. Just solve the Quiz and select the answer and you can also check the correct answer by clicking on 'Show Answer' button. 

MCQ-1.  Transition elements are :

  s-block
  p-block
  d-block
  none of the three

MCQ-2.  The number of unpaired electrons in ferrous ion is :

  2
  3
  4
  5

MCQ-3.  Cr has electronic configuration :

  3s²3p⁶3d⁴4s²
  3s²3p⁶3d⁵4s¹
  3s²3p⁶3d⁶
  None of these

MCQ-4.  Highest ( + 7) oxidation state is shown by :

  Co
  Cr
  V
  Mn

MCQ-5.  The most stable oxidation state of chromium is :

  + 5
  + 3
  + 2
  + 4

MCQ-6.  Which of the following has the maximum number of unpaired d electrons ? :

  Zn
  Fe²⁺
  Ni³⁺
  Cu⁺

MCQ-7.  Chromium dissolves in dil. H₂SO₄ to form [Cr(H₂O)₆]²⁺. The colour of the ion is :

  blue
  green
  yellow
  orange

MCQ-8.  Which is most reactive metal ? :

  Fe
  Pt
  Ni
  Co

MCQ-9.  Which one of the following is an example of non-typical transition elements ? :

  Li, K, Na
  Zn, Cd, Hg
  Be, Al, Pb
  Ba, Ga, Sr

MCQ-10.  Blister copper is :

  Ore of Cu
  Pure Cu
  Alloy of Cu
  Cu containing 1% impurity

Thanks! Now take a break with a cup of Coffee!