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Q.

Element having minimum enthalpy of atomisation is 

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a

Zn

b

V

c

Co

d

Cr

answer is B.

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Detailed Solution

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More are the unpaired electrons and high is the binding energy…high is the enthalpy of atomization.

Zn has zero unpaired electrons and has the minimum enthalpy of atomization.

Enthalpy of Atomization Zn < Cr < Co < V

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