A) \[2Na+2{{H}_{2}}O\xrightarrow{{}}2NaOH+{{H}_{2}}\]
B) \[Cu\xrightarrow{{}}C{{u}^{2+}}+2{{e}^{-}}\]
C) \[C{{u}^{2+}}+2{{e}^{-}}\xrightarrow{{}}Cu\]
D) Both (a) and (b)
Correct Answer: D
Solution :
Increase in oxidation number is called oxidation while decrease in oxidation number is reduction. In reactions given in option and , both oxidation number of metal is increasing, hence in both the reactions, metal is being oxidised.You need to login to perform this action.
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