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In a vessel containing SO3, SO2 and O2 a...

In a vessel containing `SO_3, SO_2` and `O_2` at equilibrium,some helium gas is introduced os that the total pressure increases while temperature and volume remain constant. According to Le chatelier's principle the dissociation of `SO_3` :

A

Increases

B

decreases

C

Reamains unaltered

D

Changes unpredictably

Text Solution

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The correct Answer is:
C
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