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Which of the following is a redox reacti...

Which of the following is a redox reaction ?

A

Reaction of `H_(2)SO_(4)` with NaOH

B

In atmosphere, formation of `O_(3)` from `O_(2)` by lightening

C

Formation of oxides of nitrogen from nitrogen and oxygen by lightening

D

Evaporation of `H_(2)O`

Text Solution

Verified by Experts

The correct Answer is:
C
(a) Neutralisation reaction
(b) `3O_(2)rarr 2O_(3)`, allotropic formation
(c) `N_(2)+O_(2)rarr 2NO`
`N_(2)` is reduced and `O_(2)` is oxidised.
(d) In evaporation of `H_(2)O`, state changes only.
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