2. Vapour pressure of chloroform and dichloromethane at

25° C are 200 mm Hg and 41.5mm Hg respectively. Vapour pressure of the solution obtained by mixing 25.5g of CHCl₃ and 40g of CH₂ Cl₂ at the same temperature will be (Molecular mass of CHCl₃  =  119.5u and molecular mass of CH₂  Cl₂ = 85u)

a. 90.92 mm Hg

b. 615.0 mm Hg

c. 347.9 mm Hg

d. 285.5 mm Hg

Ans. a

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