1.

By the reaction between 3 mole ethanol and 1 mole PBr_(3) the product obtained are 3 mole bromo ethane and 1 mole X, What is X ?

Answer»

`H_(3)PO_(4)`<BR>`H_(3)PO_(2)`
`H_(3)PO_(3)`
`HPO_(3)`

SOLUTION :`underset("Ethanol")(3CH_(3).CH_(2).OH )OVERSET(PBr_(3))to underset("Bromo ethane")(3CH_(3)CH_(2) .Br+ H_(3)PO_(3))`


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