The molar solubility of in 0.1 M solution of NaF will be:
1. | 2. | ||
3. | 4. |
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 |
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
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
Litmus is not affected by hydracids when they are
1. In contact with water
2. Dry
3. Fused with each other
4. Mixed together and dissolved in water
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%