Predict the relative strength of each of the following groups

OH-,Cl-,No3-,CH3Coo- and NH3

1 answer

The relative strength of the groups mentioned can be determined by their ability to donate or accept protons (H+ ions).

1. OH- (Hydroxide ion): This group is a strong base and has a high tendency to accept protons, making it a strong nucleophile. Therefore, OH- is the strongest group among the options given.

2. NH3 (Ammonia): Although not as strong as OH-, NH3 is a weaker base with a moderate ability to accept protons. It is considered a weak nucleophile.

3. CH3COO- (Acetate ion): This group is a weak base and has a low tendency to accept protons. It is not a strong nucleophile.

4. Cl- (Chloride ion): Cl- is even weaker as a base than CH3COO- and has a very low tendency to accept protons. It does not act as a nucleophile in most cases.

5. NO3- (Nitrate ion): This group is a stable ion and does not have a significant tendency to accept or donate protons. It is not considered a strong base or nucleophile.

Therefore, the relative strength of the groups from strongest to weakest is:
OH- > NH3 > CH3COO- > Cl- > NO3-