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At 200^(@) C PCl(5) dissociates as follo...

At `200^(@) C PCl_(5)` dissociates as follow , `PCl_(s(g)) hArr PCl_(3(g)) + Cl_(2(g)) `. It was found that the equilibrium vapour. are 62 times as heavy as hydrogen. The degree of dissociation of `PCl_(5)` at `200^(@)` C is nearly.

A

0.1

B

0.42

C

0.5

D

0.68

Text Solution

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The correct Answer is:
D
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AAKASH SERIES-CHEMICAL EQUILIBRIUM-ADDITIONAL PRACTICE EXERCISE (LEVEL -II) (LECTURE SHEET (ADVANCED))STRAIGHT OBJECTIVE TYPE QUESTIONS
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