Question

What is group reagent?

Answer 1

Group reagent:

• A reagent used to identify a group of radicals is called a Group radical.
• Every group has its separate group reagent for testing the radicals of the respective groups.

Example of group reagent:

• Sodium hydroxide $\left(\mathrm{NaOH}\right)$ is used as a group reagent for the zero group.
• For testing fifth group cations, Ammonium sulfide $\left({\left({\mathrm{NH}}_4\right)}_2\mathrm{S}\right)$ is used as a group reagent.