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In the following chemical reactions, ind...

In the following chemical reactions, indicate the substances undergoing oxidation and reduction and also mention the oxidising and reducingh agents.
`(i)2HBr+CI_(2)rarr2HCI+Br_(2)`
`(ii) 3CuO+2NH_(3)rarr3Cu+N_(2)+3H_(2)O`

Text Solution

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(i) Let us write the oxidation number of all the atoms of the reactantys and products taking part in the reaction

HBr undergoies oxidation and `CI_(2)` undergoes reduction.
HBr is a reducing agent and `CI_(2)` is an oxidising agnet
(ii) Let us again wirte the oxidation numbers of all the atoms of the reactants and products taking part in the reaction

`NH_(3)` undergoes oxidation and CuO undergoes reduction.
`NH_(3)` is a reducing agent and CuO is na oxidising agent.
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