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The vapour density of PCl(5) is 104.16 b...

The vapour density of `PCl_(5)` is 104.16 but when heated to `230^(@)C`, its vapour density is reduced to 62. The degree of dissociation of `PCl_(5)` at this temperature will be

A

`6.8%`

B

`68%`

C

`46%`

D

`64%`

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The correct Answer is:
B
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