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2-methyl propene is isomeric with but-1-ene. They can be distinguished by:

Correct answer: D. O3, Zn / H2O

  • A. Baeyer's reagent
  • B. Ammonical AgNO3
  • C. Br2 solution
  • D. O3, Zn / H2O

Explanation

Ozonolysis cleaves the double bond and can be used to determine its location. Ozonolysis of 2-methylpropene gives acetone and formaldehyde, while ozonolysis of but-1-ene gives propanal and formaldehyde. The other reagents simply test for unsaturation and would give a positive result for both.

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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.

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