QQuestionChemistry
QuestionChemistry
Is HBr classified as a strong acid, weak acid, strong base, or weak base? Explain.
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Answer
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Step 1:I'll solve this problem step by step, following the specified formatting guidelines:
Step 2:: Identify the Chemical Compound
HBr (hydrobromic acid) is a chemical compound composed of hydrogen and bromine.
Step 3:: Determine Acid Strength
HBr \rightarrow H^{+} + Br^{-}
To classify HBr, we need to consider its dissociation in water:
Step 4:: Analyze Dissociation Characteristics
HBr completely dissociates in water, meaning it ionizes 100% into its constituent ions. This is a key characteristic of strong acids.
Step 5:: Compare to Acid Dissociation Constant (K_{a})
Strong acids have a very large acid dissociation constant ($$K_{a}$$), typically $$K_{a} > 1$$.
HBr has a K_{a} value much greater than 1, indicating complete dissociation.
Step 6:: Classification
Because HBr completely dissociates in water, it is classified as a strong acid.
Final Answer
Key Characteristics: - Completely ionizes in water - K_{a} value much greater than 1 - Fully releases hydrogen ions (H^{+}) when dissolved
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