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Chemistry
Which of the following d -block element has the least enthalpy of atomisation?
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Q. Which of the following $d$ -block element has the least enthalpy of atomisation?
NTA Abhyas
NTA Abhyas 2020
A
$Cr$
B
$Zn$
C
$Mn$
D
$V$
Solution:
Zn has very low extent of metallic bonding due to the absence of unpaired electrons and low value of effective nuclear charge.