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Standard XII
Chemistry
Nomenclature of Alcohols
Question

IUPAC name of the tertiary butyl alcohol is:
  1. 1-butanol
  2. 2-butanol
  3. 2-methyl-1-propanol
  4. 2-methyl-2-propanol

A
2-methyl-2-propanol
B
2-butanol
C
1-butanol
D
2-methyl-1-propanol
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Solution
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Above is the structure of tertiary butyl alcohol. Longest carbon chain contains 3 carbons and one methyl group and one hydroxy group at 2 position.
Hence, the IUPAC name of tertiary butyl alcohol is 2-methyl-2-propanol.

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