1. Tardigrade
  2. Question
  3. Chemistry
  4. A trisubstituted compound ' A ', C 10 H 12 O 2 gives neutral FeCl 3 test positive. Treatment of compound 'A' with NaOH and CH 3 Br gives C 11 H 14 O 2, with hydroiodic acid gives methyl iodide and with hot conc. NaOH gives a compound B , C 10 H 12 O 2. Compound 'A' also decolorises alkaline KMnO 4 The number of π bond/s present in the compound 'A' is

Question Error Report

Thank you for reporting, we will resolve it shortly

Back to Question

Q. A trisubstituted compound ' $A$ ', $C _{10} H _{12} O _2$ gives neutral $FeCl _3$ test positive. Treatment of compound '$A$' with $NaOH$ and $CH _3 Br$ gives $C _{11} H _{14} O _2$, with hydroiodic acid gives methyl iodide and with hot conc. $NaOH$ gives a compound $B , C _{10} H _{12} O _2$. Compound '$A$' also decolorises alkaline $KMnO _4$ The number of $\pi$ bond/s present in the compound '$A$' is ______

JEE MainJEE Main 2023

Solution:

Correct answer is '4'

Solution Image