The Dblock And Fblock Elements Test

The Dblock And Fblock Elements

This is the dblock and fblock elements Test-01 for CBSE class 12 Chemistry.. There are 15 questions in this test with each question having around four answer choices.

Questions & Answers

1
The f – block elements are known as
  • A
    Inner transition elements
    Correct
  • B
    Transition elements
  • C
    Inert elements
  • D
    Representative elements
2
4d transition elements series are from
  • A
    La to Hg
  • B
    Y to Cd
    Correct
  • C
    Ce to Lu
  • D
    Sc to Zn
3
The inner transition metals of 5 f series is known as
  • A
    None of these
  • B
    Lanthanoids
  • C
    Actinoids
    Correct
  • D
    Zirconium
4
Which among the following is the coinage metal?
  • A
    Nickel
  • B
    Cobalt
  • C
    Chromium
  • D
    Copper
    Correct
5
Which among the following elements does not belong to first transition series?
  • A
    Copper
  • B
    Zinc
  • C
    Chromium
  • D
    Silver
    Correct
6
Which among the following is not considered as a part of transition elements?
  • A
    Zinc
  • B
    Cadmium
    Correct
  • C
    Zirconium
  • D
    Silver
7
Which among the following transition metal has lowest melting point?
  • A
    Zinc
    Correct
  • B
    Scandium
  • C
    Cobalt
  • D
    Titanium
8
Transition metals with highest melting point is
  • A
    Hg
  • B
    Cr
  • C
    Sc
  • D
    W
    Correct
9
Transition metals with lowest melting point is
  • A
    Hg
    Correct
  • B
    Cr
  • C
    Cd
  • D
    Zn
10
Which is the most stable oxidation state of iron?
  • A
    +2
  • B
    +3
    Correct
  • C
    0
  • D
    +1
11
Electronic configuration of Cu3+ is
  • A
    $[Ar] 3d^1$
  • B
    $[Ar] 3d^2$
  • C
    $[Ar] 3d^0$
  • D
    $[Ar] 3d^8$
    Correct
12
Electronic configuration of Mn2+ is
  • A
    $[Ar] 3d_3$
  • B
    $[Ar] 3d_2$
  • C
    $[Ar] 3d_4$
  • D
    $[Ar] 3d_5$
    Correct
13
Maximum magnetic moment is shown by
  • A
    $d_5$
    Correct
  • B
    $d_8$
  • C
    $d_7$
  • D
    $d_6$
14
Maximum oxidation state is shown by
  • A
    Co
  • B
    Os
    Correct
  • C
    Cr
  • D
    Mn
15
Zinc carbonate is precipitated from zinc sulphate solution by the addition of
  • A
    $MgCO_3$
  • B
    $NaHCO_3$
    Correct
  • C
    $Na_2CO_3$
  • D
    $CaCO_3$