Question

# Which gas is evolved at the anode during the electrolysis of $$KHF_{2}$$ in anhydrous $$HF$$?

A
F2
B
H2
C
O2
D
H2 and O2

Solution

## The correct option is B $$F_{2}$$Electrolysis of $$KHF_2$$ results in the evolution of $$H_2$$ at cathode and $$F_2$$ at anode and the two chambers are separated by s diaphragm of teflon so that the two gases don't react.option A is correct.Chemistry

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