Learning Path
Question & Answer1
Understand Question2
Review Options3
Learn Explanation4
Explore TopicChoose the Best Answer
A
The strong acid donates a proton to the Lewis base, forming a new compound with no significant change in pH.
B
The Lewis base donates an electron pair to the strong acid, resulting in the formation of a coordinate covalent bond.
C
The strong acid and the Lewis base react to form only water, with no other products involved.
D
No reaction occurs because the strong acid cannot interact with the Lewis base.
Understanding the Answer
Let's break down why this is correct
Answer
When the strong acid is added, it donates a proton to the Lewis base, which acts as a Lewis base by donating a pair of electrons to accept that proton. This proton transfer creates a new species: the protonated form of the base, which is the conjugate acid of the original base. The original acid becomes its conjugate base after losing a proton. For example, adding HCl to a solution of ammonia produces ammonium chloride (NH₄⁺Cl⁻), where the ammonia has been protonated to ammonium. Thus, the reaction produces the conjugate acid of the Lewis base and the conjugate base of the acid.
Detailed Explanation
A Lewis acid accepts an electron pair. Other options are incorrect because This answer mixes up proton transfer with Lewis acid‑base chemistry; Water is not the only product.
Key Concepts
strong acids
Lewis acid-base theory
titration
Topic
Acids and Bases
Difficulty
hard level question
Cognitive Level
understand
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