Question

Which one of the following transition element has the lowest value of enthalpy of atomization?

• A. $Cr$
• B. $Cu$
• C. $Zn$
• D. $Mn$

Answer 1

The correct option is C $Zn$

$Zn$ has the lowest enthalpy of atomisation because of the absence of any unpaired e${}^{-}$ s in d- orbital due to which interatomic electronic bond is weakest and hence enthalpy of atomisation is lowest.