JEE Main · 2021 · 01 Sep 2021 · Shift 2 · d and f Block Elements

Identify

A

in the following reaction.
(see reaction scheme)

(A)(see structure)
(B)(see structure)
✓ Correct
(C)(see structure)
(D)(see structure)

Answer: (B)

Solution

Aniline on oxidation with acidic potassium dichromate is converted to para-benzoquinone: the amino group is removed and the ring is oxidised at the 1 and 4 positions to two carbonyl groups. Compound

A

p

-benzoquinone, cyclohexa-2,5-diene-1,4-dione.

JEE Main · 2021 · 01 Sep 2021 · Shift 2 · Single correct option

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