Q.

Among the transition elements the element with lowest melting point belongs to

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a

group VIB

b

group IIIB

c

group IIB

d

group IB

answer is D.

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Detailed Solution

  • As the number of unpaired electrons increases M.P and B.P increases
  • Melting point of transition metals first increases and then decreases. This happens due to the formation of strong metallic bonds.
  • Zn ,Cd, and Hg  - no unpaired electrons so low M.P
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Among the transition elements the element with lowest melting point belongs to