NEET Chemistry Redox Reactions Questions Solved


Which is not a redox change?

(a) CaCO3 CaO + CO2

(b) 2H2 + O2 2H2O

(c) Na + H2 NaOH + 1/2 H2

(d) MnCl3  MnCl2 + 1/2 Cl2

(a) No change in oxidation no. in any of the species.

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