2-Methylpropan-2-ol is commonly known as:

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SSC CPO 2024 Official Paper-I (Held On: 28 Jun, 2024 Shift 3)
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  1. tert-butyl alcohol
  2. prim-propyl alcohol
  3. ethyl alcohol
  4. methanol

Answer (Detailed Solution Below)

Option 1 : tert-butyl alcohol
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The correct answer is tert-butyl alcohol

Key Points

  • tert-butyl alcohol is the common name for 2-Methylpropan-2-ol.
  • It is a tertiary alcohol with the chemical formula (CH₃)₃COH.
  • The structure of tert-butyl alcohol consists of a central carbon atom bonded to three methyl groups and one hydroxyl group.
  • This alcohol is used in various industrial applications including as a solvent and an intermediate in chemical synthesis.

Additional Information

  • 2-Methylpropan-2-ol can also be referred to as trimethyl carbinol.
  • It is a colorless solid at room temperature but melts to a liquid slightly above room temperature.
  • tert-Butyl alcohol is flammable and has a camphor-like odor.
  • It is miscible with water, ethanol, and diethyl ether.
  • In organic chemistry, tert-butyl alcohol is often used as a protecting group for alcohols.
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