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Which of the following reaction is possi...

Which of the following reaction is possible ?

A

`2Cr^(2+)+7H_(2)OrarrCr_(2)O_(7)^(2-)+14H^(+)`

B

`F_(2)rarr2F^(-)`

C

`(1)/(2)O_(2)+3H^(+)rarrH_(2)O`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
A
Oxidation (loss of electrons)takes place at anode i.e., (A).
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