# Role of HNO3 in nitration of benzene

1. Jul 6, 2014

### desmond iking

1. The problem statement, all variables and given/known data
in this case, the HNO3 can be dissociated into NO2+ and OH- ion. what makes it a proton donor. p/s : the ans is HNO3 is a proton donor for this question.

2. Relevant equations

3. The attempt at a solution

since the HNO3 can be dissociated into NO2+ and OH- ion, why it 's called as proton donor (acid), i would called it as alkaline... can someone explain on this plaese?

File size:
33.5 KB
Views:
180
2. Jul 6, 2014

### Saitama

I do not see how $HNO_3$ could act as a proton donor when clearly a stronger acid is present.

3. Jul 6, 2014

### Staff: Mentor

You got the nitric acid dissociation into NO2+ wrong - OH- is not between products.

Hint: actually it is not HNO3 that dissociates into NO2+.

4. Jul 26, 2014

### Teemo

Psst... hydroxide does not function well as a leaving group. So, why do you need the sulfuric acid for? Could it help create a good leaving group?