Popular Questions
- Molarity depends on temperature while molality does not, why?
- Define solubility of a solid in liquid. Describe the effect of temperature and pressure on it
- State the law that governs effect of pressure on solubility of gas in liquid. Mention its applications.
- State Raoults law for liquid solution. describe the types of solution based on Raoults law.
- What is meant by positive and negative deviation? Write short notes on constant boiling mixture.
- Define colligative properties. Elevation in boiling point is a colligative property, why?
- What are osmosis and osmotic pressure? Define reverse osmosis, write its applications.
- What do you mean by Abnormal molar mass?
- Define the term solution. How many types of solutions are formed? Write briefly about each type with an example.
- Why do gases always tend to be less soluble in liquids as the temperature is raised?
- Calculate the amount of benzoic acid (C6H5COOH) required for preparing 250 ml of 0.15 M solution in methanol.
- Calculate the depression in the freezing point of water when 10 g of CH3CH2CHCICOOH is added to 250 g of water. Ka= 1 .4 x 10-3; ..
- Vapour pressure of water at 293 K is 17 .535 mm Hg. Calculate the vapor pressure of water at 293 K when 25 g of glucose is dissol..
- Determine the amount of CaCl2 (i = 2.47) dissolved in 2.5 liters of water such that its osmotic the pressure is 0.75 atm at 27° ..
- Determine the osmotic pressure of a solution prepared by dissolving 25 mg of K2SO4 in 2 litres of water at 25° C, assuming that ..
- Which of the following units is useful in relating the concentration of a solution with its vapor pressure? (1) mole fraction ..
- On dissolving sugar in water at room temperature solution feels cool to touch. Under which of the following cases dissolution of ..
- At equilibrium the rate of dissolution of a solid solute in a volatile liquid solvent is.
- A beaker contains a solution of substance A. Precipitation of substance A takes place when a small amount of A is added to the s..
- The maximum amount of a solid solute that can be dissolved in a specified amount of a given liquid solvent does not depend upon.
- Low concentration of oxygen in the blood and tissues of people living at high altitude is due to
- Considering the formation, breaking and strength of hydrogen bond, predict which of the following mixtures will show a positive d..
- Colligative properties depend on
- Which of the following solutions should have the highest boiling point?
- The unit of ebulioscopic constant is .
- In comparison to a 0.01 M solution of glucose, the depression in freezing point of a 0.01M MgCl2 solution is.
- An unripe mango placed in a concentrated salt solution to prepare pickle shrinks because.
- At a given temperature, the osmotic pressure of a concentrated solution of a substance.
- Which of the following statements is false?
- The values of Vant Hoff factors for KCI, NaCl and K2S04 , respectively, are.
- Which of the following statements is false?
- Value of Henrys constant KH·
- The value of Henrys constant KH is.
- Consider the Fig. and mark the correct option.
- We have three aqueous solutions of NaCl labeled as A, B and C with concentrations 0.1 M, 0.01 M and 0.001 M, respectively. The va..
- On the basis of information given below mark the correct option. Information:
- Two beakers of capacity of 500 ml were taken. One of these beakers, labeled as A, was filled with 400 ml water whereas the beaker..
- KH value for Ar(g), CO2(g), HCHO (g) and CH4(g) are 40.39, 1.67, 1.83x10-5 and 0.413 respectively. Arrange these gases in the ord..
- Which of the following factor (s) affect the solubility of a gaseous solute in the fixed volume of liquid solvent?
- Intermolecular forces between two benzene molecules are nearly of same strength as those between two toluene molecules. For a mix..
