Solutions questions
1397 published questions with worked solutions.
- The freezing point depression of 0.001 m, K_x[Fe(CN)_6] is 7.10 10^ -3 K. If for water, k_f is 1.86 K ,kg ,mol^ -1 , the value of...
- If 0.15 g of a solute dissolved in 15 g of solvent is boiled at a temperature higher by 0.216°C than that of the pure solvent,...
- What is the freezing point of a solution containing 8.1 g HBr in 100 g water, assuming the acid to be 90% ionised? (k_f for water...
- Osmotic pressure is 0.0821 atm at a temperature of 300 K. Find the concentration in mole per litre
- Which one of the statements given below, concerning properties of solutions, describes a colligative effect?
- Which of the following associated with isotonic solutions is not correct?
- Lowering of vapour pressure is highest for
- The amount of ice that will separate out on cooling a solution containing 50 g of ethylene glycol in 200 g water to -9.3 ^ C will...
- The osmotic pressure of 0.4% urea solution is 1.66 atm and that of a solution of sugar is 2.46 atm. When both solutions are...
- In a 0.2 molal aqueous solution of a weak acid HX, the degree of ionization is 0.3. Taking K_f for water as 1.85, the freezing...
- Statement 1: The elevation in boiling point of a solution of a non-electrolyte is proportional to its molality. Statement 2: The...
- Two solutions of glucose have osmotic pressure 1.0 and 3.5 atm. If 1 L of the first solution is mixed with V L of the second...
- A 0.025 M solution of a monobasic acid had a freezing point of -0.060 ^ C. The pK_a for the acid is
- The molarity of pure water is
- If for a sucrose solution the elevation in boiling point is 0.1°C, then what will be the (corresponding elevation in) boiling...
- 0.1 molal aqueous solution of NaBr freezes at -0.335 ^ C at atmospheric pressure. k_f for water is 1.86°C. The percentage of...
- The azeotropic mixture of water (b. pt. 100°C) and HCl (b. pt. 85°C) boils at 108.5°C. When this mixture is distilled, it is...
- Which of the following solutions in water possesses the lowest vapour pressure?
- A certain substance 'A' tetramerises in water to the extent of 80%. A solution of 2.5 g of A in 100 g of water lowers the...
- The average osmotic pressure of human blood is 7.8 bar at 37°C. What is the concentration of an aqueous NaCl solution that could...
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