Dissolution of Solids and Gases in Liquid
Trending Questions
Q. The volume strength of 3N H2O2 is:
- 16.8 V
- 11.2 V
- 8.4 V
- 22.4 V
Q. A liquid is in equilibrium with its vapour at its boiling point. On average, the molecules in the two phases have equal:
- Intermolecular forces
- Potential energy
- Kinetic energy
- Kinetic and potential energy
Q. Concentration of CN−1 in 0.1 M HCN is [Ka = 4 ×10−10]
Q.
How is Nitronium Ion formed from Nitrating Mixture?
Q. A liquid is in equilibrium with its vapour at its boiling point. On the average, the molecules in the two phases have equal
- inter molecular forces
- potential energy
- kinetic energy
- both kinetic energy and potential energy
Q. If molar conductivity of Ca2+ and Cl− ions are 119 and 71 S cm2 mol−1 respectively, then the molar conductivity of CaCl2 at infinite dilution is
- 126 S cm2 mol−1
- 340 S cm2 mol−1
- 215 S cm2 mol−1
- 261 S cm2 mol−1
Q. The example of everyday life in which there is gas-solution equilibrium is:
- Dissolving more sugar in its saturated solution
- Ice-water equilibrium
- None of the above
- soda-water bottle
Q.
What is an Ionization Equation?
Q. What effect does the concentration of H+ (aq) ions, have on the nature of the solution?
Q. Predict the products of electrolysis of an aqueous solution of CuBr^2
Q. The magnetic susceptibility of a paramagnetic material at - 73 degree celsius is 0.0075 V. Its value at - 173 degree Celsius will be
Q.
What do you think whether the size of an inflated balloon would change or remain same if you placed it in a freezer?
Q. A liquid is in equilibrium with its vapour at its boiling point. On average, the molecules in the two phases have equal:
- Intermolecular forces
- Potential energy
- Kinetic energy
- Kinetic and potential energy
Q. How many sulphur atoms will be present in 2 litre of centinormal aq solution of H2SO4 ?
Q. The example of everyday life in which there is gas-solution equilibrium is:
- Dissolving more sugar in its saturated solution
- soda-water bottle
- Ice-water equilibrium
- None of the above
Q.
Conducting nature of ionic compound is due to ________.
Q. The polymer containing strong intermolecular forces, i.e. hydrogen bonding, is
- Teflon
- Nylon-6, 6
- Natural rubber
- Polystyrene
Q. 20ml of .2M al2(so)4 is mixed with 20ml of 6.6M bacl 2 the concentration of cl- ion in solution
Q.
34. Acid formed as a result of lightening reaches the earths surface through precipitation, thus contributing to the acid rain as well as to the growth of plants. Justify.
Q.
why do gases tend to be less soluble in liquids as temperature is raised?
Q.
If α is the degree of ionization, C the concentration of a weak electrolyte and Ka, the acid ionization constant, then the correct relationship between α, C and Ka is:
- α2=√KaC
- α2=√CKa
- α=√KaC
- α=√CKa
Q. O2 undergoes photochemical dissociation into one normal oxygen and one excited oxygen atom, 1.967 eV more energetic than normal. The dissociation of O2 into two normal atoms of oxygen atoms requires 498kJ mole–1. What is the maximum wavelength effective for photochemical dissociation of O2?
Q. Dissociation of molecules can be heterolytic or homolytic but ionisation is always heterolytic.
- True
- False
Q. Magnetic susceptibility of paramagnetic substances is around hundred times higher than that of diamagnetic substances.Explain.
Q. A liquid is in equilibrium with its vapors at its boiling point. On the average the molecules in the two phases have equal:
- intermolecular forces
- total energy
- potential energy
- kinetic energy
Q.
Name a substance which when dissolved in water contains ions and molecules.
Q. Which will not affect the degree of ionisation?
- Temperature
- Concentration
- Type of solvent
- Current
Q. Which of the following salts on dissolution of water gives pH less than 7 at 250C?
- NaBr
- CH3COONa
- KCN
- NH4Cl
Q. How is the concentration of hydronium ions (H3O+) affected when the solution of an acid is diluted?
Q.
Explain the process of boiling on the basis of kinetic theory.
