# Get Answers to all your Questions

#### The electrochemical equivalent of a metal is 3.3 x 10-7 kg per coulomb. The mass of the metal liberated at the cathode when a 3 A current is passed for 2 second will be Option 1) 19.8 x 10-7 kg Option 2) 9.9 x 10-7 kg Option 3) 6.6 x 10-7 kg Option 4) 1.1 x 10-7 kg

As we learnt in

if R=r -

- wherein

Power delivered will be maximum

Option 1)

19.8 x 10-7 kg

This option is correct.

Option 2)

9.9 x 10-7 kg

This option is incorrect.

Option 3)

6.6 x 10-7 kg

This option is incorrect.

Option 4)

1.1 x 10-7 kg

This option is incorrect.