Reaction of Cresylic acid with _____________ produces Tricresyl phosphate?
Correct answer: C. Phosphorous oxychloride
- A. Phosphorous pentoxide
- B. Ammonium phosphate
- C. Phosphorous oxychloride
- D. Calcium phosphate
Explanation
Cresylic acid reacts with phosphorus oxychloride, POCl₃, to replace the chloride groups with cresyl groups and form tricresyl phosphate. Phosphorus pentoxide does not provide the required phosphoryl chloride structure directly.
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