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  • KH value for Ar(g), CO_2(g), HCHO (g) and CH_4(g) are 40.39, 1.67, 1.83×10^–5 and 0.413 respectively. Arrange these gases in the order of their increasing solubility.

KH value for Ar(g), CO2(g), HCHO (g) and CH4(g) are 40.39, 1.67, 1.83\times 10^{-5} and 0.413 respectively.

Arrange these gases in the order of their increasing solubility.

(i) HCHO < CH_4< CO_2 < Ar

(ii) HCHO < CO_2< CH_4< Ar

(iii) Ar < CO_2< CH_4< HCHO

(iv) Ar < CH_4 < CO_2 < HCHO

Answers (1)

The answer is the option (iii) Solubility decreases with increasing value of KH. The increasing order of solubility of the gases is as follows: Ar < CO_2< CH_4< HCHO

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