Question

detailed answers please in normal language​

Answer 1

Answer:

(b)+4

Explanation:

Let the valency of S in compound Na2SO3 be=x.

In compound Na2SO3, there is no charge present.

So,

2×1+x+3×(‐2)=0

=2+x+(‐6)=0

=2‐6+x=0

=‐4+x=0

=x=(+4)Ans.