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JEE Main 20236 AprilEvening Shift
Exam
JEE Main
Year
2023
Date
6 April
Shift
Evening Shift
Subject
Chemistry
Chapter
Coordination Compounds

JEE Main 2023 · 6 April · Evening Shift · Chemistry · Coordination Compounds

Element not present in Nessler’s reagent is

Element not present in Nessler’s reagent is

Options

  1. ANN
  2. BHgHg
  3. CII
  4. DKK

Correct answer

A. NN

Step-by-step solution

Nessler's reagent is an aqueous solution of potassium iodide, mercuric chloride, and potassium hydroxide. Its chemical formula is K2HgI4{K}_{2}{HgI}_{4}. It is used to detect the presence of ammonia. It turns into pale brown colour in presence of ammonia.

So, NN is not present in Nessler's reagent.

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