Chemistry Question Bank

2g of sugar is added to one litre of water to give sugar solution. What is the effect of addition of sugar on the boiling point and freezing point of water?

Assertion: One molal aqueous solution of glucose contains 180g of glucose in 1kg water. Reason: Solution containing one mole of solute in 1000 g of solvent is called one molal solution. (AIIMS 2008)

The vapour pressure of water at room temperature is 23.8 mm Hg. The vapour pressure of an aqueous solution of sucrose with mole fraction 0.1 is equal to

An aqueous solution freezes at –2.550C. What is its boiling point. 0.52 / ; 1.86 / ? H O H O b f K K m K K m

Which one of the following is not a colligative property?

Colligative properties of the solution depend on

Which of the following concentration factors affected by change in temperature?

4 L of 0.02 M aqueous solution of NaCl was diluted by adding one litre of water. The molarity of resultant solution is …A… Here, A refers to

To a 4L of 0.2M solution of NaOH, 2L of 0.5 M NaOH are added. The molarity of resulting solution is :

“Relative lowering in vapour pressure of solution containing non-volatile solute is directly proportional to mole fraction of solute.” This statement is

Osmotic pressure is proportional to

The vapour pressures of two liquids A and B in their pure states are in the ratio of 1: 2. A binary solution of A and B contains A and B in the mole proportion of 1: 2. The mole fraction of A in the vapour phase of th…

Vapour pressure of pure ‘A’ is 70 mm of Hg at 25ºC. It forms and ideal solution with ‘B’ in which mole fraction of A is 0.8. If the vapour pressure of the solution is 84 mm of Hg at 25ºC, the vapour pressure of pure ‘…

An ideal solution is formed when its constituents

Which of the following graphs represent the behavior of ideal binary liquid mixture?

Which one of the following statements given below concerning properties of solution, describes a colligative effect? (AllMS 2013)

(ii) There will be no change in enthalpies on mixing the two components, i.e., mixing H

At 100ºC the vapor pressure of a solution of 6.5g of a solute in 100 g water is 732 mm. If Kb = 0.52, the boiling point of this solution will be (NEET 2016)

If molality of the dilute solution is doubled, the value of molal depression constant (Kf) will be(NEET 2017)

Mole fraction of the solute in a 1.00 molal aqueous solution is (AIPMT 2011)

pA and pB are the vapour pressure of pure liquid components A and B respectively of an ideal binary solution. If xA represents the mole fraction of component A, the total pressure of the solution will be (AIPMT 2012)

A solution of two liquids boils at a temperature more than the boiling point of either of them. Hence, the binary solution shows (KCET 2011)

A solution has higher osmotic pressure than its standard solution. Which of the following term will be used for this solution? (OJEE 2012)

The system that forms maximum boiling azeotrope is

6.02 × 1020 molecules of urea are present in 100 mL of its solution. The concentration of solution is (NEET 2013)