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

Fill in the blanks (i) C a 3 P 2 + 6 H C l → 3 C a C l 2 + . . . . p . . . . (ii) P 4 + 3 N a O H + 3 H 2 O → . . . . . q . . . + 3 N a H 2 P O 2 (iii) P H 4 I + K O H → K I + H 2 O + . . . . r . . . . p, q and r respectively are

Options

  1. AP H 3 , H 3 P O 3 , P I 3
  2. BP H 3 , P H 3 , P H 3
  3. CP C l 3 , H 3 P O 4 , P H 3
  4. DP C l 5 , P H 3 , P 4 O 6

Correct answer

B. P H 3 , P H 3 , P H 3

Step-by-step solution

(i) C a 3 P 2 + 6 H C l → 3 C a C l 2 + 2 P H 3 ( p ) (ii) P 4 + 3 N a O H + 3 H 2 O → P H 3 ( q ) + 3 N a H 2 P O 2 (iii) P H 4 I + K O H → K I + H 2 O + P H 3 ( r )

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