JEE MAIN - Chemistry (2021 - 24th February Morning Shift - No. 6)
Which of the following compound gives pink colour on reaction with phthalic anhydride in
conc. H2SO4 followed by treatment with NaOH ?
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Explanation
Firstly phthalic anhydride in presence of conc. H2SO4 undergoes
protonation to give an intermediate carbocation. This carbocation
reacts with 2-propylphenol in presence of NaOH to give pink colour
compound.
_24th_February_Morning_Shift_en_6_5.png)
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