2. Ammonium System

a. What was the color change when the following substances were added to the system?
- NH4Cl
- HCl
- NaOH

b. Why does the solution turn darker when NaOH is added?



Answer :

Final answer:

Adding NaOH causes the solution to turn darker due to specific chemical reactions.


Explanation:

Color Changes:

a. NH4Cl - No significant color change.
b. HCl - No significant color change.
c. NaOH - Solution turns darker.

Explanation for NaOH: When NaOH is added, it results in the formation of a darker solution due to the specific chemical reactions occurring.


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