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Which of the following is a redox reacti...

Which of the following is a redox reaction ?

A

`2CuSO_(4)+4KItoCu_(2)I_(2)+2K_(2)SO_(4)+I_(2)`

B

`SO_(2)+H_(2)OtoH_(2)SO_(3)`

C

`Na_(2)SO_(4)+BaCl_(2)toBaSO_(4)+2NaCl`

D

`CuSO_(4)+4NH_(3)to[Cu(NH_(3))_(4)]SO_(4)`

Text Solution

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The correct Answer is:
A
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