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The number  of electrons involved in the...

The number  of electrons involved in the half reaction `Cr_(2)O_(7)^(2-)rarr2Cr^(3+)` is

A

3

B

6

C

5

D

0

Text Solution

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The correct Answer is:
B
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AAKASH SERIES-STOICHIOMETRY-OBJECTIVE EXERCISE - 1
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