1.

Which of the following involve oxidation and reduction?

Answer»

`2Na+2H_(2)Orarr2NaOH+H_(2)`
`2CuI_(2)rarr2Cu+l_(2)`
`NH_(4)CI+NaOHrarrNaCI+NH_(3)+H_(2)O`
`4KCN+Fe(CN)_(6)rarrK_(4)[Fe(CN)_(6)]`

Solution : In both the REACTIONS, there is change in O.N of the SPECIES


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