Compound A (C_7H_8O) is insoluble in water,di | vedclass

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Question

(B) The molecular formula $C_7H_8O$ corresponds to either an ether (anisole) or a phenol (cresol). Since the compound is insoluble in water and $NaHCO

Vedclass · Accepted Answer

$o$-Cresol

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(B) The molecular formula $C_7H_8O$ corresponds to either an ether (anisole) or a phenol (cresol). Since the compound is insoluble in water and $NaHCO_3$ but soluble in $NaOH$,it must be a phenol because phenols are acidic enough to react with $NaOH$ to form water-soluble phenoxide salts. Anisole (an ether) does not react with $NaOH$. Phenols react rapidly with $Br_2$ water to form a tribromo derivative. $o$-Cresol ($2$-methylphenol) reacts with $Br_2$ water to form $3,4,6$-tribromo-$2$-methylphenol $(C_7H_5OBr_3)$. Therefore,the compound $A$ is $o$-cresol.

Compound $A$ $(C_7H_8O)$ is insoluble in water,dilute $HCl$,and aqueous $NaHCO_3$,but it dissolves in dilute $NaOH$. When $A$ is treated with $Br_2$ water,it is converted into a compound $C_7H_5OBr_3$ rapidly. The structure of $A$ is

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