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MHT CET202616 April 2026Morning ShiftChemistryGeneral Organic ChemistryActual

Find the number of hyperconjugation structures in the isopropyl carbocation.

Options

  1. A3
  2. B6
  3. C9
  4. D12

Correct answer

B. 6

Step-by-step solution

The structure of the isopropyl carbocation is (CH₃)₂CH^+ . The carbon atom bearing the positive charge is attached to two methyl groups. The number of -hydrogens is the total number of hydrogen atoms attached to the -carbons. Here, there are two -carbons, each having 3 hydrogen atoms. Thus, the total number of -hydrogens is 3 + 3 = 6 . The number of hyperconjugation structures is equal to the number of -hydrogens. Therefore, the number of hyperconjugation structures is 6 . Answer: 6

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