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प्रश्न
Give the structures and IUPAC names of monohydric phenols of molecular formula C7H8O.
उत्तर
The given molecular formula is C7H8O. As it is given that it is a phenol, the basic structure will be:
This structure accounts for C6H6O. When remaining CH2 is added to phenol, it forms the compounds shown below.
2-Methylphenol (o-cresol)
3-Methylphenol (m-cresol)
4-Methylphenol (p-cresol)
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\[\begin{array}{cc}
\phantom{..............}\ce{CH3}\\
\phantom{............}|\\
\ce{CH3 - CH - CH - C - CH3}\\
|\phantom{......}|\phantom{......}|\\
\phantom{...}\ce{CH3}\phantom{...}\ce{OH}\phantom{...}\ce{CH3}
\end{array}\]
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\[\begin{array}{cc}
\phantom{...............}\ce{CH3}\\
\phantom{.............}|\\
\ce{CH3 - CH - CH - C - CH3}\\
|\phantom{......}|\phantom{......}|\\
\phantom{...}\ce{CH3 \phantom{..}OH \phantom{..}CH3}
\end{array}\]
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