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JEE Main202228 Jul 2022Evening ShiftChemistryp Block Elements (Group 15, 16, 17 & 18)Actual

White phosphorus reacts with thionyl chloride to give

Options

  1. APCl 5 , SO 2 and S 2 Cl 2
  2. BPCl 3 , SO 2 and S 2 Cl 2
  3. CPCl 3 , SO 2 and Cl 2
  4. DPCl 5 , SO 2 and Cl 2

Correct answer

B. PCl 3 , SO 2 and S 2 Cl 2

Step-by-step solution

The action of thionyl chloride with white phosphorus produces phosphorus trichloride, sulphur dioxide and sulphur monochloride. P 4 + 8 SOCl 2 → 4 PCl 3 + 4 SO 2 + 2   S 2 Cl 2 PCl 3 has a pyramidal shape,in which phosphorus is sp 3 hybridised.

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