Question

what is neslers reagent?

Answer 1

Potassium tetraiodomercurate(II) is an inorganic compound consisting of potassium cations and the tetraiodomercurate(II) anion. It is mainly used as Nessler's reagent, a 0.09 mol/L solution of potassium tetraiodomercurate(II) in 2.5 mol/L potassium hydroxide, used to detect ammonia.

Answer 2

Answer:

Potassium tetraiodomercurate(II) is an inorganic substance which comprises of potassium cations and the tetraiodomercurate(II) anion.

Both of these commonly used as Nessler's reagent.

Explanation:

The mercury(II) iodide (HgI2) in potassium iodide and potassium hydroxide is commonly used as Nessler's reagent and this got there name after Julius Nessler who was German. It is utilised in tests conducted for ammonia,and results in occourence of brown coloration or precipitate.