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Which among the following is correct with respect to bond formation in

June 1, 2025 by rawan239

Which among the following is correct with respect to bond formation in an ethyne molecule ?

Carbon-Carbon single bond

Carbon-Carbon double bond

Carbon-Carbon triple bond

Carbon-Hydrogen double bond

This question was previously asked in

UPSC CAPF – 2024

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Ethyne is an organic compound with the chemical formula C₂H₂. It belongs to the alkyne family of hydrocarbons, which are characterized by the presence of a carbon-carbon triple bond. The structure of ethyne is H-C≡C-H. Each carbon atom is bonded to one hydrogen atom via a single covalent bond and to the other carbon atom via a triple covalent bond. Alkanes have single bonds (C-C), alkenes have double bonds (C=C), and alkynes have triple bonds (C≡C) between carbon atoms.

Hydrocarbons are classified based on the types of bonds between carbon atoms. Alkanes have only single bonds, alkenes have at least one double bond, and alkynes have at least one triple bond. Ethyne is the simplest alkyne.

A carbon-carbon triple bond consists of one sigma bond and two pi bonds. The carbon atoms in ethyne are sp-hybridized, resulting in a linear geometry around the triple bond. Ethyne is also commonly known as acetylene and is used as a fuel in welding and cutting.

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