Two aromatic compounds having formula $C_{7} H_{8} O$ which are easily identifiable by $F e {C l}_{3}$ solution test (violet colouration) are:

o-cresol and benzyl alcohol

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m-cresol and p-cresol

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o-cresol and p-cresol

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methyl phenyl ether and benzyl alcohol

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Solution

The correct option is A o-cresol and benzyl alcohol
o-, m- and p- cresol all contain the phenolic group, thus they give violet coloration with $F e {C l}_{3}$ whereas benzyl alcohol and methyl phenyl ether do not contain the phenolic group, hence give no coloration with $F e {C l}_{3}$ .

Hence the pair of compounds which are identifiable by $F e {C l}_{3}$ is o-cresol and benzyl alcohol.

Option A is correct.

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Two aromatic compounds having formula C7H8O which are easily identifiable by FeCl3 solution test (violet colouration) are:

Two aromatic compounds having formula $C_{7} H_{8} O$ which are easily identifiable by $F e {C l}_{3}$ solution test (violet colouration) are: