Among the following compound the strongest acid is
Answer & explanation
Correct answer: option 4
C6H6 and C2H6 being hydrocarbons are very weak acids. To decide whether HC≡CH or CH3OH is a stronger acid, consider the reaction.
(stronger acid) (weaker acid)
Since a stronger acid displaces a weaker acid from its salts, therefore CH3OH is a stronger acid than HC≡CH.