Unknown compound A C_9H_8O_5 on methylation with (CH_3)SO_4//NaOH form – InterviewSolution

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1.	Unknown compound A C_9H_8O_5 on methylation with (CH_3)SO_4//NaOH forms methyl derivative whose MW is 210. The number of hydroxyl groups is A is
Answer» FIVE FOUR ONE three Answer :C

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