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In fully dissociated NH(4)CI, [NH(4)Cl((...

In fully dissociated `NH_(4)CI, [NH_(4)Cl_((g)) harr NH_(3(g)) + HCl_((g))]` observed vapour density is

A

less than the vapor density of pure `NH_(4)CI`

B

double of the vapour density of pure `NH_(4)CI`

C

half of the vapour density of pure `NH_(4)CI`

D

one fourth of the vapour density of pure `NH_(4)CI`

Text Solution

Verified by Experts

The correct Answer is:
A, C
`(D)/(d)=1+(n-1)alpha=1+alpha=2( :. alpha =1)`
`d=(D)/(2) lt D`
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