The increasing order of basic strength of Cl-, , CH3COO-, OH-, F- is:
1. Cl-<F-<CH3COO-<<OH-
2. Cl-<F-< <CH3COO-<OH-
3. CH3COO-<Cl-<F-<<OH-
4. none of the above
If the pressure is applied to the following equilibrium, Liquid Vapour. The boiling temperature of the liquid:
1. will decrease
2. will increase
3. may not change
4. will not change
Which of the following statements is not true?
1. The pH of 10-8 N HCl is 8.
2. 96500 coulomb of electricity is passed through a CuSO4 solution deposit 1g of equivalent of Cu at cathode.
3. The conjugate base of H2P is HP.
4. pH + pOH = 14 for all aqueous solution.
In which of the following will the solubility of AgCl be the minimum?
1. | 0.1 M NaNO3 | 2. | Water |
3. | 0.1 M NaCl | 4. | 0.1 M NaBr |
Which of the following salts will give the highest pH in the water?
1. KCl
2. NaCl
3. Na2CO3
4. CuSO4
An aqueous solution of which salt has the lowest pH?
1. NaOH
2. NH4Cl
3. Na2CO3
4. NaCl
Consider the reaction,
CH3COOH + C2H5OH CH3COOC2H5 + H2O.
One mole each of CH3COOH and C2H5OH are heated in the presence of little concentrated H2SO4. On equilibrium:
1. 1mole of ethyl acetate is formed
2. 2 mole of ethyl acetate are formed
3. 1/2 mole of ethyl acetate is formed
4. 2/3 mole of ethyl acetate is formed
The value of H for the reaction,
X2(g) + 4Y2(g) 2XY4 (g)
is less than zero. Formulation of XY4(g) will be favored at:
1. Low pressure and Low temperature
2. High temperature and Low pressure
3. High pressure and Low temperature
4. High temperature and High pressure
Salting out action of the soap is based on:
1. Complex ion formation
2. Common ion effect
3. Solubility product
4. Acid-base neutralization
Which is not an acid salt?
1. NaH2PO2
2. NaH2PO3
3. NaH2PO4
4. NaHSO3