In the reaction :

CHEMISTRY · Single correct · A Level · Chemistry · Oxidation, reduction and redox reactions · Oxidation, reduction and redox reactions

Problem

In the reaction : NaH+H2O⟶NaOH+H2\text{NaH} + \text{H}_2\text{O} \longrightarrow \text{NaOH} + \text{H}_2 , which one is not correct : (1) H-atom undergoes oxidation (2) H-atom undergoes reduction (3) It is a redox change (4) It is disproportionation reaction

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