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

A translucent white waxy solid 'A' reacts with excess of chlorine to give a yellowish white powder 'B'. 'B' reacts with organic compounds containing - O H group converting them into chloro derivatives. 'B' on hydrolysis gives 'C' and is finally converted to phosphoric acid. 'A', 'B' and 'C' are

Options

  1. AP 4 , P C l 3 , H 3 P O 4
  2. BP 4 , P C l 5 , H 3 P O 3
  3. CP 4 , P C l 5 , P O C l 3
  4. DP 4 , P C l 3 , P O C l 3

Correct answer

C. P 4 , P C l 5 , P O C l 3

Step-by-step solution

P 4 A + 10 C l 2 → 4 P C l 5 B P C l 5 + C 2 H 5 O H → C 2 H 5 C l + P O C l 3 + H C l P C l 5 + H 2 O → P O C l 3 C + 2 H C l P O C l 3 + 3 H 2 O → H 3 P O 4 + 3 H C l

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