Assertion: Phosphorus tribromide is ofter preferred as a reagent for the transformation of an alcohol to the corresponding alkyl bromide
Reason: The net result is conversion of 3mol of alcohol to alkyl bromide by 1 mol of phosphorus tribromide
A. Assertion is true, Reason is true, Reason is a correct explanation for Assertion
B. Assertion is true, Reason is true, Reason is not a correct explanation for Assertion
C. Assertion is true, Reason is false
D. Assertion is false, Reason is true