Q23Multiple choice
A black compound of manganese reacts with a halogen acid to give greenish yellow gas. When excess of this gas reacts with NH3 an unstable trihalide is formed. In this process the oxidation state of nitrogen changes from _________.
- (i)– 3 to +3
- (ii)– 3 to 0
- (iii)– 3 to +5
- (iv)0 to – 3 93 p-Block Elements + –
Show answer
(i) – 3 to +3