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XY2 dissociates as XY2(g) iff XY(g) + Y(...

`XY_2` dissociates as `XY_2(g) iff XY(g) + Y(g)`. When the initial pressure is 600 mm of Hg, the total pressure at equilibrium developed is 800 mm of Hg. Therefore pressure of Y at equilibrium is

A

200 mm

B

50 mm

C

100 mm

D

150 mm

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The correct Answer is:
A
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