The vapor density of completely dissociated N H 4 C l would be Options: A . &nbsp same as that of N H 4 C l B . &nbsp double than that of N H 4 C l C . &nbsp half than that of N H 4 C l D . &nbsp slightly less than that of N H 4 C l

The vapor density of completely dissociated NH4Cl would be

Question -

The vapor density of completely dissociated $N H_{4} C l$ would be

Options:

A . same as that of

N H_{4} C l

B . double than that of

N H_{4} C l

C . half than that of

N H_{4} C l

D . slightly less than that of

N H_{4} C l

Answer: Option A
:
A
On dissolution of

N H_{4} C l

into

N H_{3} + H C l

number of moles become double. Hence, volume is doubled and therefore, density is halved.

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