Among the given pairs, in which pair second compound has less enol content:

Among the given pairs, in which pair secod compound has less enol content than first compound?

Among the given pairs, in which pair second compound is more acidic than first ?

Among the given pairs, in which pari second compound is more acidic than first ?

Among the given pairs in which pairs first compound has higher boiling point than second?

Among the given pairs in which pair, first compound has higher boiling point than second ?

Among the given pairs, in which pair first compound reacts faster than second compound in S_(N^1) reaction ?

Among the given pairs ,in which pair first compound reacts faster than second compound in S_(N^(1)) reaction ?