1. Na₂S (Sodium Sulfide):
* Sodium (Na): A Group 1 metal, forming a strong base.
* Sulfide (S²⁻): The conjugate base of a weak acid (H₂S).
Overall: Na₂S will hydrolyze to form a basic solution.
2. KCl (Potassium Chloride):
* Potassium (K): A Group 1 metal, forming a strong base.
* Chloride (Cl⁻): The conjugate base of a strong acid (HCl).
Overall: KCl will form a neutral solution.
3. LiNO₃ (Lithium Nitrate):
* Lithium (Li): A Group 1 metal, forming a strong base.
* Nitrate (NO₃⁻): The conjugate base of a strong acid (HNO₃).
Overall: LiNO₃ will form a neutral solution.
4. NH₄ClO₄ (Ammonium Perchlorate):
* Ammonium (NH₄⁺): The conjugate acid of a weak base (NH₃).
* Perchlorate (ClO₄⁻): The conjugate base of a strong acid (HClO₄).
Overall: NH₄ClO₄ will hydrolyze to form an acidic solution.
5. K₃PO₄ (Potassium Phosphate):
* Potassium (K): A Group 1 metal, forming a strong base.
* Phosphate (PO₄³⁻): The conjugate base of a weak acid (H₃PO₄).
Overall: K₃PO₄ will hydrolyze to form a basic solution.
Summary:
* Basic: Na₂S, K₃PO₄
* Neutral: KCl, LiNO₃
* Acidic: NH₄ClO₄
