If sodium sulphate is considered to be completely dissociated into cations and anions in aqueous solution, the change in freezing point of water when 0.01 mol of sodium sulphate is dissolved in 1 kg of water, is
0.0186 K
0.0372 K
0.0558 K
0.0744 K
As we learnt in
Application of Vant Hoff factor -
-
(i for Na2SO4 is 3)
Correct option is 3.
Option 1)
0.0186 K
This is an incorrect option.
Option 2)
0.0372 K
This is an incorrect option.
Option 3)
0.0558 K
This is the correct option.
Option 4)
0.0744 K
This is an incorrect option.
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