Regarding Hall-Heroult process, false statement is

see full answer

High-Paying Jobs That Even AI Can’t Replace — Through JEE/NEET

🎯 Hear from the experts why preparing for JEE/NEET today sets you up for future-proof, high-income careers tomorrow.

An Intiative by Sri Chaitanya

Anode must be replaced from time to Oxime because it gets oxidized

Mixture of Al₂O₃+CaF₂+Na₃AlF₆ is the electrolyte

Coke is the reductant

Carbon lining to iron tank is the anode

answer is A.

(Unlock A.I Detailed Solution for FREE)

JEE

NEET

Foundation JEE

Foundation NEET

CBSE

Detailed Solution

(1) carbon lining to iron tank is the cathode

(3) carbon rods act like anode

at anode 2O^-2 → O₂ + 4e^- ;

$C + \frac{1}{2} O_{2} \to CO \overset{O_{2}}{\to} {CO}_{2}$

Carbon anode reacts with oxygen and they decompose. They must be replaced from time to time.

Watch 3-min video & get full concept clarity

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test