Butan-2-ol is a:

This question was previously asked in
SSC CGL 2023 Tier-I Official Paper (Held On: 26 Jul 2023 Shift 3)
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  1. tertiary alcohol
  2. ketone
  3. primary alcohol
  4. secondary alcohol

Answer (Detailed Solution Below)

Option 4 : secondary alcohol
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SSC CGL Tier 1 2025 Full Test - 01
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Detailed Solution

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The correct answer is secondary alcohol.Key Points

  • Butan-2-ol has a chemical formula of C4H10O and is a type of alcohol.
  • It is a secondary alcohol because the hydroxyl (-OH) group is attached to a carbon atom that is bonded to two other carbon atoms.
  • Butan-2-ol is commonly used as a solvent and is also used in the production of other chemicals such as butyl acetate.

Additional Information

  • Tertiary alcohols have the hydroxyl group attached to a carbon atom that is bonded to three other carbon atoms, while primary alcohols have the hydroxyl group attached to a carbon atom that is bonded to only one other carbon atom.
    • Tertiary alcohols have a higher boiling point than primary and secondary alcohols because they have a more complex molecular structure.
  • Ketones have a carbonyl group (C=O) in the middle of the carbon chain, which is not present in butan-2-ol.
    • Ketones are commonly used as solvents and are also used in the production of polymers, pharmaceuticals, and other chemicals.
  • Primary alcohols can be oxidized to form aldehydes and then further oxidized to form carboxylic acids.
  • Secondary alcohols can be oxidized to form ketones, but they cannot be further oxidized to form carboxylic acids.

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