Question

convert ethyne to pent-1-yne​

Answer 1

Answer:

Ethyne can be converted to 1-Pentyne in the following manner:

HC≡CH + NaNH2−→−−−−196Kliquid NH3HC≡C−Na++NH3HC≡C−Na+ + CH3CH2CH2Br→HC≡C−CH2−CH2−CH3+ NaBrHC≡CH + NaNH2→196Kliquid NH3HC≡C-Na++NH3HC≡C-Na+ + CH3CH2CH2Br→HC≡C-CH2-CH2-CH3+ NaBr

Hope it helps.