preparation of benzoic acid

2010-10-16 6:21 am

After boiling Benzamide with NaOH, HCl is added.
1. What is the copious ppt formed?
2. How can we know excess HCl is added?

回答 (1)

2010-10-16 6:55 am

✔ 最佳答案

1. the relatively insoluble benzoic acid.

2. test with pH paper. if it's strongly acidic, then excess HCl is added.

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