CUET (UG) entrance exam Question Bank Solutions for Chemistry

Calculate freezing point depression expected for 0.0711 m aqueous solution of Na₂SO₄. If this solution actually freezes at – 0.320°C, what will be the value of van't Hoff factor? (kg for water = 108b°C mol^–1)

When lead storage battery is charged:-

Best way to protect rusting of iron is by.

Best way to protect rusting of iron is by-

At a given temperature, osmotic pressure of a concentrated solution of a substance ______.

In isotonic solutions:

(i) Solute and solvent both are same.

(ii) Osmotic pressure is same.

(iii) Solute and solvent may or may not be same.

(iv) Solute is always same solvent may be different.

In order to distinguish between C₂H₅NHz and C₆H₅NHz, which of the following reagents is useful?

Osmotic pressure of a solution increases if

Which of the following colligative property can provide molar mass of proteins (or polymers or colloids) with greatest precision?

Aniline when treated with cone. HNO₃ gives

Isotonic solutions have same

Which one of the following is a colligative property?

Blood cells retain their normal shape in solution which are

In Isotonic solution

The vapour pressure of water is 12.3 k pa at 300 k. Calculated the vapour pressure of molal solution in it.

Which of the following is true characteristic feature of aniline?

Evaporation of water is?

Substitution of one alkyl group by replacing hydrogen of primary amines

Molal enthalpy of fusion of water at 273 k is 6.0246 kg mol^–1 calculated molal depression constant.

The formation of micelles take place only above