Q.

When aqueous sodium chloride solution is electrolysed

see full answer

Want to Fund your own JEE / NEET / Foundation preparation ??

Take the SCORE scholarship exam from home and compete for scholarships worth ₹1 crore!*

An Intiative by Sri Chaitanya

at cathode H+ is reduced into H2 instead of Na+

at cathode Na+ is reduced to Na

Cl- is oxidised into Cl2 at cathode

Both (b) and (c)

answer is A.

(Unlock A.I Detailed Solution for FREE)

Ready to Test Your Skills?

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

Take Free Test

Detailed Solution

When aqueous solution of NaCl is electrolysed, there is a competition between the following reductions reactions at cathode Na++e−⟶Na;Ecell∘=−2.71VH++e−⟶12H2;Ecell∘=0.00VThe reaction with higher value of Eo is preferred and therefore, the second reaction occurs at cathode, i.e. H+ is reduced instead of Na+ .

Watch 3-min video & get full concept clarity

Result Producing online coaching for JEE/NEET of south India

Largest All India Test Series for JEE/NEET

Best Books for IIT JEE

Best Books for NEET