NEET Questions Solved


The -OH group of an alcohol or the -COOH group of a carboxylic acid can be replaced by -Cl using     

(a) phosphorus pentachloride

(b) hypochlorous acid

(c) chlorine

(d) hydrochloric acid

(a) The -OH group of alcohol or the -COOH group of a carboxylic acid is replaced by -Cl using phosphorus pentachloride (i.e. PCl5)

  ROH + PCl5 RCl + POCl3 + HCl

Alcohol

  RCOOH + PCl5RCOCl + POCl3 + HCl

   Acid

Difficulty Level:

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