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NTA Abhyas NEET2020ChemistryCarboxylic Acid DerivativesPractice

Which of the following reagents react(s) with C 6 H 5 C H 2 C O N H 2 to form C 6 H 5 C H 2 C N ?

Options

  1. AP 2 O 5
  2. BS O C l 2
  3. CP O C l 3 or P C l 5
  4. DAll of the above

Correct answer

D. All of the above

Step-by-step solution

Dehydration occurs with all the three reagents. C 6 H 5 C H 2 C O N H 2 → P 2 O 5 C 6 H 5 C H 2 C N + H 2 O C 6 H 5 C H 2 C O N H 2 → S O C l 2 C 6 H 5 C H 2 C N + S O 2 + 2 H C l C 6 H 5 C H 2 C O N H 2 → P O C l 3 o r P C l 5 C 6 H 5 C H 2 C N + H 2 O

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