Q. 13

Identify the correct statement (s) in relation to the following reaction:

Zn + 2HCl ZnCl2 + H2

A. Zinc is acting as an oxidant

B. Chlorine is acting as a reductant

C. Hydrogen ion is acting as an oxidant

D. Zinc is acting as a reductant

Answer :


(i) Zinc is undergoing oxidation in the above reaction so statement one is wrong


(ii) Chlorine does not have any change in oxidation number since in HCl and ZnCl2 the ON is -1


(iii) Hydrogen has reduced itself from +1 to 0, thus acting as an oxidising agent, i.e. oxidant


(iv) Zinc underwent oxidation from ON of 0 to +2, implying it being a reducing agent i.e. reductant.

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