Chemistry · 2024
JEE Main · 4 April 2024, Shift 1 · Q72
In the precipitation of the iron group (III) in qualitative analysis, ammonium chloride is added before adding ammonium hydroxide to:
In the precipitation of the iron group (III) in qualitative analysis, ammonium chloride is added before adding ammonium hydroxide to :
Official answer
From NTA’s final answer key for this paper.
(1)
decrease concentration of $\displaystyle { }^{-} \mathrm{OH}$ ions
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JEE Main 2024 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.