For the following reaction,
H
The effect on the state of equilibrium on doubling the volume of the system will be:
1. | Shift to the reactant side | 2. | Shift to the product side |
3. | No effect on the state of equilibrium | 4. | Liquefaction of HI |
Which of the following cannot act as a buffer?
1. NaH2PO4 + H3PO4
2. NH4OH + NH4CI
3. NaOH + CH3COONa
4. Both (1) & (3)
If the pH of 0.1 M NaCN solution is 11, then the percentage hydrolysis will be:
1. 0.1%
2. 1%
3. 0.01%
4. 10%
How much water should be added to 400 mL of HCI solution in order to raise the pH by one unit?
1. | 360 mL | 2. | 1000 mL |
3. | 600 mL | 4. | 3600 mL |
In the reaction A(g) + 2B(g) ⇌ 2C(g) + D(g), the initial concentration of B is twice that of A and, at equilibrium, the concentrations of A and D are equal. The value of the equilibrium constant will be:
1. | 4 | 2. | 16 |
3. | 2 | 4. | 1 |
The degree of hydrolysis of the salt is independent of the concentration of a solution:
1. NH4CI
2. NH4CN
3. (NH4)2SO4
4. All of the above
The dissociation of solid in a closed container produces a pressure of 4 atm at , then for the reaction will be:
1. | 4 | 2. | 8 |
3. | 16 | 4. | 5 |
The number of ions present in 1 ml of a solution whose pH= 4 , is given as:
( )
1.
2.
3.
4.
If the pH of an acidic buffer is 5.7 and is 5 then the ratio of will be:
1. | 3 | 2. | 4 |
3. | 5 | 4. | 6 |
On adding NH4CI to an NH4OH solution, the pH of the solution will
1. | Increase | 2. | Decrease |
3. | Remain the same | 4. | Either increase or decrease |