1.

(i) 2PbO+Crarr2Pb+CO_(2) (ii) MnO_(2)+4HClrarrMnCl_(2)+2H_(2)O+Cl_(2) What is redox reaction ? Identify the substance oxidised and the substance reduced in the above reaction.

Answer»

Solution :Those REACTIONS in which both oxidation and reduction occur simultaneously .
(i) PB O is REDUCED, C is oxidised.
(ii) HCl is oxidised, `MnO_(2)` is reduced.


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