Skip to content
New summer mock series is live Attempt timed papers for SSC, banking, and engineering entrances with updated syllabi for this season. View exams

Question

In Lassaigne’s test, the presence of nitrogen gives a Prussian blue color due to the formation of which compound?

Options

Choose one · Correct answer highlighted

Explanation

In Lassaigne’s test, nitrogen forms Fe₄[Fe(CN)₆]₃ (ferric ferrocyanide) with Fe³⁺, producing the Prussian blue color.