Hydrogen readily combines with metals and thu | vedclass

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(B) When hydrogen reacts with highly electropositive metals (like alkali metals),it forms metal hydrides where hydrogen acts as an anion $(H^-)$.$2Na

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Electronegative character

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(B) When hydrogen reacts with highly electropositive metals (like alkali metals),it forms metal hydrides where hydrogen acts as an anion $(H^-)$.$2Na + H_2 	o 2Na^+H^-$In these compounds,hydrogen exhibits an oxidation state of $-1$,which indicates its electronegative character relative to the metal.

Hydrogen readily combines with metals and thus shows its

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