Home
Class 12
CHEMISTRY
In electrolysis of NaCl when Pt electrod...

In electrolysis of NaCl when Pt electrode is taken then `H_(2)` is liberated at cathode while with Hg cathode it forms sodium amalgam because.

A

Hg is more inert than Pt

B

More voltage is required to reduce H at Hg than at Pt

C

Na is dissolved in Hg while it does not dissolve in Pt

D

Conc. of `H^(+)` ions is larger when Pt electrode is taken

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Similar Questions

Explore conceptually related problems

In electrolysis of NaCl when Pt electrode is taken H_(2) is liberated at cathode while Hg cathode it forms sodium amalgam because

During the electrolysis of sodium ethanoate, the gas liberated at cathode is :

During the electrolysis of fused sodium hydride, hydrogen gets liberated at cathode.

When Brine solution is subjected to electrolysis the gases liberated at anode and at cathode are

Electrolysis of dil. H_(2)SO_(4) liberates gases at anode and cathode respectively

When water is electrolysed, hydrogen and oxygen gas are produced. If 1.008 g of H_(2) is liberated at the cathode. What mass of O_(2) is formed at the anode?

In the electrolysis of H_2O , 11.2 liters of H_2 was liberated at cathode at NTP. How much O_2 will be liberated at anode under the same conditions.

When dilute H_(2)SO_(4) is electrolyzed between Pt electrodes, the gas liberated at the anode will be ………………………….

The electrolysis of a solution resulted in the formation of H_2 (g) at the cathode and Cl_(2) (g) at anode. The solution is :

During the electrolysis of 0.1 M CuSO_(4) solution using coppepr electrodes, a depletion of [Cu^(2+)] occurs near the cathode with a corresponding excess near the anode, owing to inefficient stirring of the solution. If the local concentration of [Cu^(2+)] near the anode and cathode are respectively 0.12 M and 0.08 M, calcualte the back emf developed. Temperature = 298 K.