Identifying the Base- Which of the Following Compounds Qualifies as a Base-

Which of the following is a base? This question often arises in chemistry, particularly when discussing the properties of acids and bases. In this article, we will explore the characteristics of bases and help you identify which of the given options qualifies as a base.

Bases are substances that can accept protons (H+) or donate hydroxide ions (OH-) in a chemical reaction. They are typically slippery to the touch, have a bitter taste, and can turn red litmus paper blue. Now, let’s examine the options provided to determine which one is a base.

Option A: Sodium chloride (NaCl)
Sodium chloride is a common salt that dissociates into sodium (Na+) and chloride (Cl-) ions when dissolved in water. It does not accept protons or donate hydroxide ions, so it is not a base.

Option B: Ammonia (NH3)
Ammonia is a compound that can accept protons, making it a weak base. When dissolved in water, it forms ammonium ions (NH4+) and hydroxide ions (OH-). Therefore, ammonia is a base.

Option C: Acetic acid (CH3COOH)
Acetic acid is a weak acid that donates protons in a chemical reaction. It does not accept protons or donate hydroxide ions, so it is not a base.

Option D: Potassium hydroxide (KOH)
Potassium hydroxide is a strong base that dissociates into potassium (K+) and hydroxide (OH-) ions when dissolved in water. It can accept protons or donate hydroxide ions, making it a base.

In conclusion, the correct answer to the question “Which of the following is a base?” is Option B: Ammonia (NH3) and Option D: Potassium hydroxide (KOH). These substances exhibit the properties of bases and can accept protons or donate hydroxide ions in a chemical reaction.