D and F Block Elements

Question

Element not present in Nessler's reagent is :

Accepted Answer

Option B. Nessler's reagent is a 2% solution of potassium tetraiodomercurate(II) in aqueous potassium hydroxide. Its chemical formula is …. The elements present in it are Potassium (K), Mercury (Hg), and Iodine (I). Nitrogen (N) is not present in Nessler's reagent.

More on D and F Block Elements

D and F Block Elements

More on D and F Block Elements