The salt that gives a neutral solution in water is:
1. KBr
2. NH4NO3
3. NaCN
4. Rb2(CO3)
The ionization constant of chloroacetic acid is 1.35 × 10–3. The pH of a 0.1 M acid solution will be:
1. | 1.94
|
2. | 6.14
|
3. | 3.23
|
4. | 5.64 |