A 0.02 M solution of pyridinium hydrochloride has a pH of 3.44. The ionization constant of pyridine will be:

1. 6.6 × 10-6 2. 1.51 × 10-9
3. 2.36 × 10-7 4. 3.43 ×10-9
Subtopic:  Salt Hydrolysis & Titration |
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The ionization constant of nitrous acid is 4.5 × 10–4 The pH of a 0.04 M sodium nitrite solution will be:

1. 2.56 2. 6.14
3. 7.96 4. 11.74
Subtopic:  Salt Hydrolysis & Titration |
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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

Subtopic:  Salt Hydrolysis & Titration |
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The salt that gives a neutral solution in water is: 

1. KBr

2. NH4NO3

3. NaCN 4. Rb2(CO3)
Subtopic:  Salt Hydrolysis & Titration |
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