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Q.

Two container each containing liquid water are connected as shown in diagram.
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Given vapour pressure of H2O(1) at 300K and 350 K are 22 torr and 40 torr, select correct statement(s):

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a

The final pressure in each container if valve is opened while keeping the containers at the given temperature is 40 torr

b

Color of solution in Y contains X turns blue

c

Mass of H2O(l) is decreased in container Y

d

The final pressure in each container if valve is opened while keeping the containers at the given temperature is 22 torr

answer is A, D.

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Detailed Solution

The vapour pressure in Y is > x. When stopcock opened the vapour from Y diffuse into x and condense there when equilibrium is re- established, mass of Liq  water in Y↓ and is x↑ The final pressure in two containers will same, 22 Torr.

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