Ethyne can be obtained from.......

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(D) Ethyne $(C_2H_2)$ can be prepared by the following methods: $1$. From Calcium carbide $(CaC_2)$: $CaC_2 + 2H_2O \rightarrow Ca(OH)_2 + C_2H_2$. $2

Vedclass · Accepted Answer

All of the above

Vedclass · Answer

(D) Ethyne $(C_2H_2)$ can be prepared by the following methods: $1$. From Calcium carbide $(CaC_2)$: $CaC_2 + 2H_2O \rightarrow Ca(OH)_2 + C_2H_2$. $2$. From Potassium fumarate: By Kolbe's electrolysis of potassium fumarate or maleate,ethyne is obtained. $3$. From Ethylene dibromide: Dehydrohalogenation of ethylene dibromide $(CH_2Br-CH_2Br)$ with alcoholic $KOH$ yields ethyne. Therefore,all the given options are correct.

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