1.

In electrolysis of water under alkaline conditions a total of 1 mole of gases is evolved . The amount of water decomposed would be

Answer»

2 mol
1 mol
2/3 mol
1/3 mol

Solution :`H_2 O to H_(2(G))+(1)/(2)O_(2(g))`
1 mole of water =1.5 mole of gas
`THEREFORE` 1 mole of gas =`(1)/(1.5) = 0.66 = (2)/(3)` mol. of water should be DECOMPOSED.


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