Volume V1 mL of 0.1 M K2Cr2O7 is needed ...

Volume `V_1` mL of 0.1 M `K_2Cr_2O_7` is needed for complete oxidation of 0.678 g `N_2H_4` in acidic medium.The volume of 0.3 M `KMnO_4` needed for same oxidation in acidic medium will be :

A

`(2)/(5) V_1`

B

`(5)/(2) V_1`

C

`113 V_1`

D

`(7)/(5) V_1`

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The correct Answer is:

A

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