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Standard XII
Chemistry
Nomenclature of Alcohols
IUPAC name of...
Question
IUPAC name of the tertiary butyl alcohol is:
A
1-butanol
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B
2-butanol
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C
2-methyl-1-propanol
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D
2-methyl-2-propanol
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Solution
The correct option is
D
2-methyl-2-propanol
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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The reactivities of methanol (I), 1 - propanol (II), 2 - butanol (III) and 2 - methyl-2- propanol (IV) towards sodium metal follow the order:
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