Aldehydes And Ketones Question 7
Question 7 - 30 January - Shift 1
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 ______.
