Molecular weight of phenol is :

94.11

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104.11

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86.11

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98

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Solution

The correct option is A $94.11$
Molecular formula of Phenol is $C_{6} H_{5} - O H$
Therefore, moelcular weight: $6 (M a s s o f C a r b o n) + 6 (M a s s o f H y d r o g e n) + 16 (M a s s o f O x y g e n)$
$= 6 \times 12 + 5 \times 1 + 16 \times 1 + 1 \times 1$
$= 94.11$

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