Chemistry - Transition metals including lanthanides and actinides

Question - 1

which one of the following set of 3d series do not belong to transition elements ?

  • A Fe, Co, Ni
  • B Ru, Rh, Pd
  • C Cu, Ag, Au
  • D Zn, Cd, Hg

Question - 2

The common oxidation state of the elements of transition series is

  • A +1
  • B +2
  • C +3
  • D +4

Question - 3

which one of the following is lanthanides element?

  • A Cr
  • B Mn
  • C Co
  • D Ce

Question - 4

Which one of the following is first man-made element?

  • A Sc
  • B Ti
  • C Tc
  • D Mo

Question - 5

The properties of transition elements Zr and Hf are similar because 

  • A they possess same number of electrons 
  • B both have similar radii
  • C both belong to d-block elements
  • D None of these

Question - 6

which one of the following transition elements exhibits the oxidation state of  8?

  • A Hf
  • B Ta
  • C W
  • D Ru

Question - 7

Increasing Paramagnetic character of dispositive ion of  29Cu, 28Ni, 27Co, 26Fe, 25Mn follow the order:

  • A Mn2+>Fe2+>Ni2+>Co2+>Cu2+
  • B Mn2+>Fe2+>Ni2+>Cu2+>Co2+
  • C Ni2+>Mn2+>Fe2+>Co2+>Cu2+
  • D Mn2+>Fe2+>Co2+>Ni2+>Cu2+

Question - 8

which one of the following elements does not belong to the first transition series?

  • A Fe
  • B Cr
  • C Ni
  • D Ag

Question - 9

The outer electronic configuration of Cu2+ is

  • A 3d104s
  • B 3d104s1
  • C 3d104s2
  • D 3d104s2

Question - 10

The outer electronic configuration of 58Ce is

  • A 4f15d16s
  • B 4f05d26s2
  • C 4f0.5d36s2
  • D None of these
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