Exercise

1. Write the conjugate acids of the bases: i) NH₃ ii) H₂O iii) HO^- iv) HCO₃^- v) HNO₃

2. Write the conjugate bases of the acids: i) NH₃ ii) H₂O iii) HO^- iv) HCO₃^- v) HNO₃

3. Pick out the conjugate acid base pair in each of the following equations

4. In each of the following pairs of compounds predict which is a stronger acid, give reasons.
i) HCOOH and CH₃COOH
ii) CH₃COOH and ClCH₂COOH
iii) ClCH₂COOH and FCH₂COOH
iv) CH₃COOH and CH₃CH₂COOH
v) ClCH₂COOH and ClCH₂CH₂COOH

5. In each of the following pairs of compounds predict which is a stronger base, give reasons.

i) NH₃ and CH₃NH₂

ii)CH₃NH₂ and (CH₃)₂NH

iii) CH₃NH₂ and C₆H₅NH₂

iv) Aniline and piperidine

6. Arrange the following in the increasing order of acid strength, give reasons.

i) HCl ii) HBr iii) HF iv) HI