SarkariPYQ

SSC GD 2023 PYQ — Question 39

SSC GD Constable (English) - 13 Jan 2023 - Shift 3 • General Awareness • Q39

Back to paper

Identify the general formula for alkenes.

Show answer & explanation

Correct answer: D

Explanation

The correct answer is option 4 i.e. CnH2n 

Alkenes are a class of hydrocarbon that contains a carbon-carbon double bond.

  • The general formula of alkenes is CnH2n, where n is the no. of carbon atoms.

  • The organic compounds containing Carbon atoms having triple and double between two Carbon atoms are called unsaturated hydrocarbons.

  • Alkenes contain double bonds between the Carbon atoms so it is an unsaturated hydrocarbon.

  • Ethene (C2H4) is an alkene having the formula is  (C2H2x2).