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NTA Abhyas JEE Main2020Chemistryp Block Elements (Group 15, 16, 17 & 18)Practice

A + H 2 O → B + HCl B + H 2 O → C + HCl Compound (A), (B) and (C) will be respectively :

Options

  1. APCl 5 , POCl 3 , H 3 PO 3
  2. BPCl 5 , POCl 3 , H 3 PO 4
  3. CSOCl 2 , POCl 3 , H 3 PO 3
  4. DPCl 3 , POCl 3 , H 3 PO 4

Correct answer

B. PCl 5 , POCl 3 , H 3 PO 4

Step-by-step solution

PCl 5 + H 2 O → POCl 3 + 2 HCl A B POCl 3 + 3 H 2 O → H 3 PO 4 + 3 HCl B C

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