JEE PYQ: Electrochemistry Question 25
Question 25 - 2020 (09 Jan Shift 1)
108 g of silver (molar mass 108 g mol$^{-1}$) is deposited at cathode from AgNO$_3$(aq) solution by a certain quantity of electricity. The volume (in L) of oxygen gas produced at 273 K and 1 bar pressure from water by the same quantity of electricity is ____.
Show Answer
Answer: 5.68
Solution
1 F deposits 1 mol Ag and produces $\frac{1}{4}$ mol O$_2$. $V = \frac{1}{4} \times 22.7 = 5.675$ L.
BETA
