1.

Alkali metals are paramagentic but their salts are diamagnetic . Explain .

Answer»

Solution :Alkali metals contain one unpaired electron `(ns^(1))` and hence are paramagnetic . However , during SALT formation , this unpaired electron is transferred to the non-metallic atom forming its anion . As a result , salt has PAIRED ELECTRONS both in the CATION as well as in the anion and hence alkali metal salts are diamagnetic in NATURE .


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