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Phenol is made to react with formaldehyde in the presence of acid or alkali produces ________

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Phenol is made to react with formaldehyde in the presence of acid or alkali produces ________

(a) Phenol

(b) Poly vinyl chloride

(c) Plasticized poly vinyl chloride

(d) Polyethylene

This question was posed to me in an interview.

Query is from Preparation, Properties and Applications of Some Compounds topic in division High Polymers and Plastics of Applied Chemistry

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Best answer
Correct choice is (a) Phenol

The best explanation: Phenol is made to react with formaldehyde in the presence of acid or alkali produces di, tri and mono phenols depending on the phenol formaldehyde ratio.

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