1
KCET 2021
MCQ (Single Correct Answer)
+1
-0

Choose the correct statement.

A
$$K_{\mathrm{H}}$$ value is same for a gas in any solution.
B
Higher the $$K_{\mathrm{H}}$$ value more the solubility of gas.
C
$$K_{\mathrm{H}}$$ value increases on increasing the temperature of the solution.
D
Easily liquefiable gases usually has lesser $$K_{\mathrm{H}}$$ values.
2
KCET 2021
MCQ (Single Correct Answer)
+1
-0

The $$K_{\mathrm{H}}$$ value ($$\mathrm{K}$$ bar) of argon (I), carbondioxide (II), formaldehyde (III) and methane (IV) are respectively $$40.3,167, 1.83 \times 0^{-5}$$ and 0.413 at $$298 \mathrm{~K}$$. The increasing order of solubility of gas in liquid is

A
I < II < IV < III
B
III < IV < II < I
C
I < III < II < IV
D
I < IV < II < III
3
KCET 2021
MCQ (Single Correct Answer)
+1
-0

The vapour pressure of pure liquids $$A$$ and $$B$$ are 450 and $$700 \mathrm{~mm}$$ of $$\mathrm{Hg}$$ at $$350 \mathrm{~K}$$ respectively. If the total vapour pressure of the mixture is $$600 \mathrm{~mm}$$ of $$\mathrm{Hg}$$, the composition of the mixture in the solution is

A
$$\chi_A=0.4, \chi_B=0.6$$
B
$$\chi_A=0.6, \chi_B=0.4$$
C
$$\chi_A=0.3, \chi_B=0.7$$
D
$$\chi_A=0.7, \chi_B=0.3$$
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