Consider the Salt Pyridinium Acetate, [(C₅H₅NH⁺)(C₂H₃O₂^{1 -} )]

question 70

Multiple Choice

Consider the salt pyridinium acetate, [(C₅H₅NH⁺) (C₂H₃O₂^{1 -} ) ],
That is derived from a combination of a weak acid , HC₂H₃O₂, and a weak base , C₅H₅N,
As shown below.
C₅H₅N + HC₂H₃O₂→[(C₅H₅NH⁺) (C₂H₃O₂^{1 -} ) ] K _b(C₅H₅N) = 1.7×10 ^{- 9} and K _a(HC₂H₃O₂) = 1.8×10 ^{- 5} Which statement listed below is true?

• A) This salt is neutral when dissolved in water.
• B) This salt is acidic when dissolved in water.
• C) This salt is basic when dissolved in water.
• D) This salt can be either acidic or neutral depending upon its concentration in water.
• E) This salt can be either basic or neutral depending upon its concentration in water.

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