Arrange the following alcohols in order of reactivity towards gaseous HBr `:`

Arrange the following compounds in order of their reactivity toward

Arrange the following alcohols in the decreasing order of reactivity towards Lucas reagent (1) 1-Butanol (2) 2-butanol (3) 2-Methyl-2-propanol.

Arrange the following compounds in order of their reactivity towards LiAlH_(4)

Arrange the following compounds in increasing order of reactivity towards the addition of HBr RCH=CHR,overset(CH_(2))overset(||)(CH_(2)),R_(2)C=CHR,R_(2)C=CR_(2)