Alcohol, Phenol and EtherHard

Question

Among the following compounds, the strongest acid is :

Options

A.CH ≡ CH
B.C6H6
C.C2H6
D.CH3OH

Solution

Order of acidic strength is:
CH3OH > HC ≡ CH > C6H6 > C2H6
H-atom is O - H bond acquires maximum positive charge due to high electronegativity of O-atom. Although all are neutrl towards the litmus paper.

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