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MCQMediumJEE Main 2023 · 30 January, Shift 1Detection of Functional Groups

Chemistry Question from JEE Main 2023 · 30 January, Shift 1

Which of the following compounds would give the following set of qualitative analysis?

(i) Fehling's test: Positive

(ii) Na fusion extract, on treatment with sodium nitroprusside, gives a blood red colour.

  • A
    Imidazole ring bearing a CHO group directly on the ring.
  • B
    Five-membered aromatic ring containing two nitrogen atoms and one oxygen atom, with an aldehyde group directly attached to the ring on the right side.
  • C
    Five-membered aromatic ring containing two nitrogen atoms and one sulfur atom, with an aldehyde group directly attached to the ring on the right side.
  • D
    Five-membered aromatic ring containing nitrogen and sulfur, attached through a side chain to an aldehyde group on the right end.

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