KH value for Ar(g), CO2(g), HCHO(g) and CH4(g) are 40.39, 1.67, 1.83×10–5 and 0.413 respectively.Arrange these gases in the order of their increasing solubility.(i) HCHO < CH4 < CO2 < Ar(ii) HCHO < CO2 < CH4 < Ar(iii) Ar < CO2 < CH4 < HCHO(iv) Ar < CH4 < CO2 < HCHO

KH value for Ar(g), CO2(g), HCHO(g) and CH4(g) are 40.39, 1.67, 1.83×

1.	KH value for Ar(g), CO2(g), HCHO(g) and CH4(g) are 40.39, 1.67, 1.83×10–5 and 0.413 respectively.Arrange these gases in the order of their increasing solubility.(i) HCHO < CH4 < CO2 < Ar(ii) HCHO < CO2 < CH4 < Ar(iii) Ar < CO2 < CH4 < HCHO(iv) Ar < CH4 < CO2 < HCHO
Answer» (iii) Ar < CO₂ < CH₄ < HCHO

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