Moderate

Which of the following methods is used to prepare ethyne on the industrial scale?

Correct answer: D. Reaction of calcium carbide with water

  • A. Dehydrohalogenation of vic-dihalides
  • B. Dehalogenation of tetrahalides
  • C. Electrolysis of aqueous solution of potassium salt of unsaturated dicarboxylic acids
  • D. Reaction of calcium carbide with water

Explanation

On an industrial scale, ethyne (acetylene) is prepared by reacting calcium carbide with water, which produces ethyne and calcium hydroxide.

Last updated

About Chemistry of Hydrocarbons

Hydrocarbons are studied through the structures and reactions of alkanes, alkenes, alkynes and aromatic compounds. Coverage includes free radical substitution in alkanes, electrophilic addition to carbon-carbon multiple bonds, benzene substitution, aromatic stability and the difference between addition reactions of alkenes and substitution reactions of benzene.

Practise Chemistry of Hydrocarbons

1,091 free Chemistry of Hydrocarbons MCQs from Chemistry, each with the correct answer and an explanation. Unlimited attempts, no account needed.

Exams that ask Chemistry questions like this

Chemistry is on 12 papers prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for every one of them.

Related questions