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MHT CET202527 Apr 2025Evening ShiftChemistryGeneral Organic ChemistryActual

According to carbinol system tert butyl alcohol is named as,

Options

  1. AMethyl carbinol
  2. BEthyl carbinol
  3. CPropyl carbinol
  4. DTrimethyl carbinol

Correct answer

A. Methyl carbinol

Step-by-step solution

In the carbinol system, alcohols are named as derivatives of methanol by replacing hydrogen atoms on the methyl group with substituents. Tert-butyl alcohol has the formula (CH₃)₃C -- OH , where the carbinol carbon is bonded to three methyl groups. This corresponds to trimethyl carbinol. The alternatives correspond to different structures: methyl carbinol ( CH₃CH₂OH ), ethyl carbinol ( CH₃CH₂CH₂OH ), and propyl carbinol ( CH₃CH₂CH₂CH₂OH ). The correct carbinol system name is therefore trimethyl carbinol.

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