Which ion is detected using Nessler's reagent | vedclass

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(D) Nessler's reagent is an alkaline solution of potassium tetraiodomercurate$(II)$,$K_2[HgI_4]$.It is primarily used to detect the presence of ammoni

Vedclass · Accepted Answer

$NH_4^+$

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(D) Nessler's reagent is an alkaline solution of potassium tetraiodomercurate$(II)$,$K_2[HgI_4]$.It is primarily used to detect the presence of ammonium ions $(NH_4^+)$ or ammonia $(NH_3)$.When it reacts with ammonium ions in a basic medium,it forms a brown precipitate known as the iodide of Millon's base,which is $HgO \cdot Hg(NH_2)I$.

Which ion is detected using Nessler's reagent?

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