Science Homework Help

1.Identify the
reagent (and its concentration) that is used to confirm the presence of each of
the following:

a.Ni²⁺    

b.Fe³⁺

c.Zn²⁺

2.Confirmatory tests for the various ions are often colorful.Identify the confirmatory compound/ion and the color for each of the following ions:

Ion       Confirmatory Compound/Ion     Color

Fe³⁺

Ni²⁺

Al³⁺ 

Zn²⁺

3.Identify the reagent that separates

a.Fe³⁺
from Zn²⁺.Explain the chemistry of the separation.

b.Fe³⁺
from Ni²⁺.Explain the chemistry of the separation.