Phenolphthalein is obtained by heating phthalic anhydride with conc. $H_2SO_4$ and

  • A
    Benzyl alcohol
  • B
    Benzene
  • C
    Phenol
  • D
    Benzoic acid

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Similar Questions

Write the equations involved in the following reactions:
$(i)$ Reimer-Tiemann reaction
$(ii)$ Kolbe's reaction

Identify the product in the following reaction:
Phenol + $CHCl_3 + NaOH \rightarrow \text{Product}$

Identify $X$ and $Y$ in the following reactions:

The structure of the product $P$ of the following reaction is

$A$ trisubstituted compound '$A$',$C_{10}H_{12}O_2$ gives a neutral $FeCl_3$ test positive. Treatment of compound '$A$' with $NaOH$ and $CH_3Br$ gives $C_{11}H_{14}O_2$,with hydroiodic acid $(HI)$ 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 $\pi$ bonds present in the compound '$A$' is $...........$

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