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Question

CH3−CH3|C|OH−CH2−CH3
The correct IUPAC name of the above compound is:

A
tert- amyl alcohol
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B
2-methylbutan-2-ol
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C
2-methylpentan-2-ol
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D
1,1 dimethyl propan-1-ol
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Solution

The correct option is B 2-methylbutan-2-ol
The IUPAC name of the given compound is 2-Methylbutan-2-ol.
The parent hydrocarbon contains 4 carbon atoms and is named butane.
A methyl substituent is present at second C atom.
A hydroxyl group is present at second C atom.
Hence, the last alphabet e of butane is replaced with the suffix -2-ol.

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