1.

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 :

Answer»

`i=1-2 ALPHA`
`i=1-(alpha)/(2)`
`i=1+(alpha)/(2)`
`i=1+alpha`

ANSWER :B


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