Which of the following reactions is (are) redox reactions ?
Which of the following reactions is (are) redox reactions ?
A. `6CO_(2)+6H_(2)O overset("Sun light")(rarr) C_(6)H_(12)O_(6)+6O_(2)`
B. `KCN +AgCN rarr K[Ag(CN)_(2)]`
C. `Zn +2HCl rarr ZnCl_(2)+H_(2)`
D. `BaCl_(2)+H_(2)SO_(4) rarr BaSO_(4)+2HCl`
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Correct Answer - A::C
Reaction which involves change in O.N of atoms is a redox reaction.
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