Question

formula and valency of bicarbonnate

Answer 1

Answer:

Sodium bicarbonate decomposed in sodium carbonate , water and carbondioxaide. Oxidation number of Na, C and O are +1,+4 and -2. And oxidation number of H is +1. ... So, the valency of bicarbonate is 1.

Answer 2

Explanation:

Oxidation number of Na, C and O are +1,+4 and -2. And oxidation number of H is +1. +1×1 + 4×1 + (-2×3)= -1. So, the valency of bicarbonate is 1.