1.

Which of the following statements are correct about Zn, Cd & Hg ?

Answer»

They exhibit high ENTHALPIES of ATOMIZATION as the d-subshell is full
ZN, Cd do not show variable valeney while HG shows +1 and +2 oxidation states
Compounds of Zn, Cd and Hg are paramagnetic in nature
Zn, Cd and Hg are called soft metals

Solution :Zn,Cd, Hg has electronic configuration`= (n-1)d^(10) NS^(2)`


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