An unsaturated hydrocarbon 'A' adds two molecules of H₂ and on reductive ozonolysis gives butane-1,4-dial, ethanal and propanone. Give the structure of 'A', write its IUPAC name and explain the reactions involved.

HBr adds to alkene in accordance with Markovnikov's rule.

Delocalisation of  electrons in benzene  leads to saturation

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Alkanes, Alkenes, Alkynes, and Aromatics hydrocarbons are the four main hydrocarbons.

Hydrocarbons are organic compounds made of only carbon and hydrogen.