Question

what is magneson reagent, what is its chemical formula and name ?

Answer 1

Explanation:

Magneson reagent is the indicator used to determine the presence of magnesium element in the solution. It is an azo dye which functions as the spot test reagent and forms a blue lake when reacted with $Mg(OH)_2$ in basic solution.

The chemical formula for this reagent is $C_{12}H_9N_3O_4$ and the chemical name for this reagent is 4-(4-Nitrophenylazo) resorcinol.