Chemistry Question Bank

In three beakers labelled as (A), (B) and (C), 100 mL of water, 100 mL of 1M solution of glucose in water and 100 mL of 0.5 M solution of glucose in water are taken respectively and kept at same temperature. Which of …

To increase the solubility of CO in soft drinks and soda water

What will be the volume of a 12 M solution, if it is equivalent to 240 mL 18M solution

According to Henry’s law ‘the partial pressure of the gas in vapour phase (p) is proportional to the mole fraction of the gas (x) in the solution’. For different gases the correct statement about Henry’s constant is

The milli moles of N₂ gas that will dissolve in 1L of water at 298 K. when it is bubbled through water and has a partial pressure of 0.96 bar will be (Given that at 298 K KH = 76.8 k bar)

The weight of pure NaOH required to prepare 250 cm3of 0.1N solutions is

Vapour pressure of a pure liquid X is 2 atm at 300 K. It is lowered to 1 atm on dissolving 1g of Y in 20g of liquid X. If molar mass of X is 200, what is the molar mass of Y?

The molarity of a solution obtained by mixing 800 mL of 0.5 M HCl with 200 mL of 1M HCl will be

KH value for Ar(g), CO₂(g), HCHO (g) CH₄(g)are 40.39, 1.67, 1.83 × 10–5 and 0.413 respectively. Arrange these gases in the order of their increasing solubility.

The freezing point of 1 molal Glucose solution in water is ( 1.86 H O f K K kg mol )

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

The volume of water to be added to 100 cm3 of 0.5 N H₂SO₄ to get decinormal concentration is

The Van’t Hoff factors i for an electrolyte which undergoes dissociation and association in solvents are respectively

What is the molarity of a solution containing 10g of NaOH in 500 mL of solution?

An aqueous solution of urea containing 18g urea in 1500 cm3 of the solution has a density equal to 1.052 g/cm3. If the molecular weight of urea is 60, then the molality of the solution is

What will be the molarity of 30 mL of 0.5 M H₂SO₄ solution diluted to 500 mL?

What is the molarity of 0.2 N Na₂CO₃solution?

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

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

What will be the molality of a solution of glucose in water which is 10% w/W?

What is the mass percentage of carbon tetrachloride if 22g of benzene is dissolved in 122g of carbon tetrachloride?

In a solution of 7.8 g of benzene (C₆H₆) and 46 g of toluene (C₆H₅CH₃), the mole fraction of benzene is

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

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

The molarity of a solution of Na₂CO₃ having 10.6 g/500 ml of solution is