45. When Cl2
gas reacts with hot and concentrated sodium hydroxide solution, the oxidation number of
chlorine changes from
(1) Zero to + 1 and zero to –3 (2) Zero to +1 and zero to –5
(3) Zero to –1 and zero to + 5 (4) Zero –1 and zero to + 3
gas reacts with hot and concentrated sodium hydroxide solution, the oxidation number of
chlorine changes from
(1) Zero to + 1 and zero to –3 (2) Zero to +1 and zero to –5
(3) Zero to –1 and zero to + 5 (4) Zero –1 and zero to + 3