P4 (white phosphorus) when treated with thionyl chloride produces phosphorus

Discussion Forum : P-block Group 15 - Pnictogens

Question -

$P_{4}$ (white phosphorus) when treated with thionyl chloride produces phosphorus ___. On the other hand if $P_{4}$ (white phosphorus) is treated with sulphuryl chloride we get phosphorus ___.

Options:

Answer: Option A
:

With Thionyl chloride, $P_{4} g i v e s P C l_{3}$

$P_{4} + 8 S O C l_{2} \to 4 P C l_{3} + 3 S_{2} C l_{2} + 4 S O_{2}$

While reacting with Sulphuryl Chloride, P₄ yields Phosphorus Pentachloride:

$P_{4} + 10 S O_{2} C l_{2} \to 4 P C l_{5} + 10 S O_{2}$

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Discussion Forum : P-block Group 15 - Pnictogens

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