Let us consider a binary solution of two volatile liquids 'A' and B, when taken in a closed container.Both the components would evaporate and an equilibrium would be established between vapour phase and liquid phase .Let the total pressure at this stage be `p_("total")` and `p_A` and `p_B` are partial pressures of A and B. Mole fractions of these components in liquid solution are `x_A` and `x_B`, that of vapour phase and `y_A` and `y_B` respectively `p_A^@` and `p_B^@` are vapour pressure of pure A & pure B .
Ideal liquid solution follow Raoult's law and non ideal liquid - liquid solution does not follow Raoult's law, deviation is measured in term of activity coefficient `gamma`
`gamma=p_("real")/p_("ideal")`

For water + alcohol solution correct set is :

Options

A. (ii)(b)(Q)
B. (ii)(c )(R)
C. (iv)(d)(S)
D. (iv)(c )(R)

Answer

B

Explanation

water+alcohol`to` non ideal solution with +ve derivation correct code for this solution are (ii),(iv),b,c,d,Q,S