ExamHabit
Practise free

NEET 2023

NEET 2023 Chemistry question on Practical Chemistry

In Lassaigne's extract of an organic compound, both nitrogen and sulphur are present, which gives blood red colour with Fe3+\text{Fe}^{3+} due to the formation of
  1. A.
    Fe4[Fe(CN)6]3⋅xH2O\text{Fe}_4[\text{Fe(CN)}_6]_3 \cdot x\text{H}_2\text{O}
  2. B.
    NaSCN\text{NaSCN}
  3. C.
    [Fe(CN)5NOS]4−[\text{Fe(CN)}_5\text{NOS}]^{4-}
  4. D.
    [Fe(SCN)]2+[\text{Fe(SCN)}]^{2+}
Show answer

Correct option: D

[NEET 2023]

Practise Practical Chemistry the way it is asked

A timed set of real NEET Practical Chemistry questions, graded as the exam grades. No sign-up.

Start a Practical Chemistry test

More: all NEET Practical Chemistry questions · NEET 2023 · Chemistry chapter list