Q. If is passed into hot solution, oxidation number of chlorine changes from (1) 0 to + 5 (2) 0 to -1 (3) 0 to +1 (4) 0 to +7
Solution:
On passing chlorine gas into hot and concentrated solution, sodium chlorate and sodium chloride are obtained.
Oxidation number of chlorine changes from 0 to + 5 and 0 to -1.
