RE-NEET Chemistry Solutions Class 12 Questions

Consider the following statements about the solutions formed by mixing two liquids. A. An ideal solution thus formed obeys Raoult’s law throughout the composition range. B. Mixture of chloroform and acetone shows negative deviation from Raoult’s law. C. Mixture of aniline and phenol shows positive deviation from Raoult’s law.

A 1:3 electrolyte in an aqueous solution is

Assertion A: For an ideal solution formed by mixing liquids P and Q, Δ_mix H = 0 and Δ_mix V = 0. Reason R: No interactions occur between P and Q. In the light of the above statements, choose the most appropriate answer from the options given below.

The correct order of solubility of the given salts in water at 298 K is

The amount of glucose required to prepare 250 mL of M/20 aqueous solution is: (Molar mass of glucose: 180 g mol⁻¹)

Mass of glucose (C₆H₁₂O₆) required to be dissolved to prepare one litre of its solution which is isotone with 15 g L⁻¹ solution of urea (NH₂CONH₂) is (Given: Molar mass in g mol⁻¹ C : 12, H : 1, O : 16, N : 14)