For the reaction 2NOCl(g)⇔2NO(g)+Cl2(g), KC at 427C is \(3\times 10^{-6} \ mol\ L^{-1}\). The value of Kp will be :
1.
2.
3.
4.
The standard reduction potential for is 0.34 V.
The reduction potential at pH =14 for the above couple given is :
1. -0.22 V
2. +0.22 V
3. -0.34 V
4. +0.34 V
When 10 ml of 0.1 M acetic acid (pKa=5.0) is titrated against 10 ml of 0.1 M
ammonia solution (pKb=5.0),
the pH at equivalence point will be:
1. | 9.0 | 2. | 6.0 |
3. | 5.0 | 4. | 7.0 |
The molar solubility of in 0.1 M solution of NaF will be:
1. | 2. | ||
3. | 4. |
1. | 7.01 | 2. | 2 |
3. | 12 | 4. | 9 |
The oxoacid that has the highest Ka value is: t
1 HClO3
2 HBrO3
3 HlO3
4 All have equal Ka
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 |