MEDIUMMCQ SINGLEIChO (Chemistry Olympiad)Organic ChemistryHydrocarbonsPhysical & Chemical Properties of Alkenes

Reaction of HBr with propene in the presence of peroxide gives

A.isopropyl bromide

B.3-bromo propane

C.allyl bromide

D.n-propyl bromide✓ Correct

Explanation

The general reaction 1-propene with HBr in the presence of peroxide is shown as follows: 3 2 3 2 2 CH -CH=CH +HBr+peroxide CH -CH -CH Br -> The major product formed here is 1-bromo propane due to peroxide or Kharasch effect.

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