Chemistry Question Bank

What is the mole fraction of glucose in 10% w/W glucose solution?

The system that forms maximum boiling azeotrope is

Given below are few mixtures formed by mixing two components. Which of the following binary mixtures will have same composition in liquid and vapour phase? (i) Ethanol + Chloroform (ii) Nitric acid + Water (iii) Benze…

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

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

The mole fraction of C₂H₅OH (Mol. wt. = 46) in 5 molal aqueous ethyl alcohol solution is

Four solutions of K₂SO₄ with the following concentration 0.1 m, 0.01 m, 0.001 m and 0.0001 m SOLUTIONS are available. The maximum value of van’t Hoff factor, i, corresponds to

The osmotic pressure is expressed in the unit of (VMMC 2010)

What happens to freezing point of benzene when naphthalene is added? (OJEE 2010)

Out of the compounds below, the vapour pressure of

The molarity of a solution containing 5.0g of NaOH in 250 mL solution is (AFMC 2009)

What happens when an egg is kept in saturated solution of NaCl after removing its hard shell in dilute HCl? (OJEE 2010)

Molarity of a given orthophosphoric acid solution is 3 M. Its normality is (KCET 2007)

The molecular weight of benzoic acid in benzene as determined by depression in freezing point method corresponds to:

Van’t Hoff factor more than unity indicates that the solute in solution is (Manipal 2008)

Which of the following aqueous solutions has the highest boiling point?

Benzoic acid is dissolved in benzene, van’t Hoff factor will be

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)

Which of the following pair of solutions are expected to be isotonic at the same temperature?

A solution containing 10g per dm3 of urea (molecular mass = 60g mol–1) is isotonic with a 5% solution of a non-volatile solute. The molecular mass of this non-volatile solute is

The concentration (in mol/L) of the solution having osmotic pressure 0.0821 atm at 300 K will be (AFMC 2009)

Isotonic solutions are the solutions having the same (RPMT 2010)

The concentration (in mol/L) of the solution having osmotic pressure 0.0821 atm at 300 K will be

The temperature at which 10% aqueous solution (w/V) of glucose will exhibit the osmotic pressure of 16.4 atm, is (R = 0.082 dm3 atm K–1 mol–1)

A 6% solution of urea is isotonic with