1.

Which of the following are redox reactions?

Answer»

`BaCI_2 + H_2SO_4to BaSO_4+2HCI`
`2CuI_2to2Cul +I_2`
`NH_3CI+ NaOHtoNaCI+NH_3+H_2O`
`snCI_2 +2HgCI_2 toSnCI_4 +Hg _2CI_2`

Solution :In theoption(a) and (C )thereis nochangeinoxidisationnumberof ANYOF theelement ISFOUND .


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