Answer
Left (reactants ) : 0 , right (products): +3
-2 in the reactant and -2 in the product.
X is oxidized.
H is reduced.
Work Step by Step
The oxidation number of element X on the reactants is 0 (free element), in the product is +3.
-2 in the reactant and -2 in the product.
X is oxidized.
H is reduced.
