Question

Pertaining to metallurgy, when "M" is a metal, its compound $M{Y}_2$ is :

• A. Covalent
• B. Ionic
• C. Inorganic
• D. None of these

Answer 1

The correct option is B Ionic

Reaction:

$M-2e^{-}\to M^{2+}$

$2Y+2e^{-}\to 2Y^{-}$

$M^{2+}+2Y^{-}\to M{Y}_2$

So, this is an ionic compound.