An organic compound ( C _8 H _ 10 O _2) rotates plane-polarized light. It produces pink color with neutral FeCl _3 solution. What is the total number of all the possible isomers for this compound?

JEE Advanced 2020 Chemistry question

An organic compound () rotates plane-polarized light. It produces pink color with neutral solution. What is the total number of all the possible isomers for this compound?

Answer: 6

Solution

Degree of unsaturation : a benzene ring. A colour with neutral shows a phenolic . Optical activity needs a stereocentre; with the remaining unit the only possibility is the side chain (a carbon bearing H, OH,

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Question ID VK-033809