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An unsaturated hydrocarbon 'A' adds two ...

An unsaturated hydrocarbon 'A' adds two molecules of `H_(2)` 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.

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The alkene which gives only (i) Ethanal and (ii) Propane on reductive ozonolysis is 2-methylbut-2-ene.
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