1.

Certain quantity of current is passed through 2 voltameters connected in series and containing XSO_4 (aq) and Y_2SO_4 (aq) respectively. If the atomic masses of X and Y are in the ratio of 2 : 1 the ratio of the masses of Y liberated to that of X is

Answer»

`1:1`
`1:2`
`2:1`
`3:2`

Solution :(A) `X^(2+)+2e^(-)TOX,Y^(+)e^(-)toY`
2 `mol e^(-)` produce X=1 mol=1`xx` Mg
2 mol `e^(-)` produce Y=2`xxM//2=Mg`
HENCE, RATIO of the MASSES of Y:X is M:M or 1:1


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