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Chemical Properties of Phenols

Acetylene is ...

Question

Acetylene is acidic hence it reacts with NaOH or KOH.

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Solution

Being a very weak acid ( K a ≈ 10 − 25 ),acetylene does not react with NaOH or KOH.The pKa value of acetylene is 25. It is very weakly acidic, and hence, KOH is not sufficiently alkaline to react with it. Even methanol with pKanof 15.5 does not react with alkaline hydroxides.

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