In a chemical reaction during the formation of alkyl iodide, phosphorus acid is formed as by product. Which of the following is the reagent reacted with alcohol?
A
PI3
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B
PI5
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C
POI3
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D
H3PO4
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Solution
The correct option is BPI3 The reagent used is PI3 during the formation of alkyl iodide.
By the action of PI3 with ethyl alcohol, ethyl iodide is formed. 3CH3−CH2−OH+PI3→3C2H5−I+H3PO3 Hence, option A is correct.