Question

1. What is Nessler's reagent?
Ans.​

Answer 1

Answer:

an alkaline solution of potassium mercuric iodide used in chemical analysis especially in a test for ammonia in aqueous solution (as when obtained from water, blood, or urine) with which it forms a yellowish brown color or precipitate. — called also Nessler's solution...

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Answer 2

Answer:

potassium tetraiodomercurate (ll)