A dilute solutions "x" moles of A in 1kg of solvent with molal elevation constant `K_(b)` . The solution dimerises in the solution . `2AhArr A_(2) (alpha` be degree of association) The molecular weight observed will be :
A
greater than actual molecular mass
B
lesser than actual molecular mass
C
equal to the actual molecular mass
D
cannot be predicted by the date given
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The correct Answer is:
a
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