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Question

Which of the following statement regarding PCl3 is false?

A
PCl3 acts as a reducing agent when treated with SO3 and conc. H2SO4
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B
PCl3 does not react with organic compounds
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C
PCl3 is a colourless oily liquid
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D
PCl3 boils at 347 K
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Solution

The correct option is B PCl3 does not react with organic compounds
Phosphorus trichloride is widely used as an important reagent in organic chemistry for replacing hydroxyl groups by chlorine atoms in organic reactions. For example, ethanol reacts with phosphorus trichloride to form chloroethane and phosphorous acid.
3CH3CH2OH+PCl33CH3CH2Cl+H3PO3

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