One mole of P 4 reacts with 8 moles of SOCl 2 to give 4 moles of A , x mole of SO 2 and 2 moles of B . A , B and x respectively are

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TestHub · Accepted Answer

Thionyl chloride reacts with white phosphorus to produce phosphorus trichloride. The other side products in this reaction are sulphur dioxide and Sulphur monochloride.

$P_{4} + 8 {SOCl}_{2} \to 4 {PCl}_{3} + 4 {SO}_{2} + 2 S_{2} {Cl}_{2}$
Hence $A = {PCl}_{3}, x = 4, B = S_{2} {Cl}_{2}$

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