Answered: Consider the weak acids below and their…

Consider the weak acids below and their corresponding Ką values. Rank the acids from weakest to strongest. HNO2 (Ka = 4.0 x 10-4) HIO (Ka = 2.0 x 10-11) C6H5COOH (Ka = 6.5 x 10-5) O (weakest) HIO

Chemistry: Principles and Reactions

8th Edition

ISBN:9781305079373

Author:William L. Masterton, Cecile N. Hurley

Publisher:William L. Masterton, Cecile N. Hurley

Chapter13: Acids And Bases

Section: Chapter Questions

Problem 37QAP

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Concept explainers

Ionic Equilibrium

Chemical equilibrium and ionic equilibrium are two major concepts in chemistry. Ionic equilibrium deals with the equilibrium involved in an ionization process while chemical equilibrium deals with the equilibrium during a chemical change. Ionic equilibrium is established between the ions and unionized species in a system. Understanding the concept of ionic equilibrium is very important to answer the questions related to certain chemical reactions in chemistry.

Arrhenius Acid

Arrhenius acid act as a good electrolyte as it dissociates to its respective ions in the aqueous solutions. Keeping it similar to the general acid properties, Arrhenius acid also neutralizes bases and turns litmus paper into red.

Bronsted Lowry Base In Inorganic Chemistry

Bronsted-Lowry base in inorganic chemistry is any chemical substance that can accept a proton from the other chemical substance it is reacting with.

Question

Consider the weak acids below and their corresponding Ką values. Rank the acids from weakest to strongest.
HNO2 (Ka = 4.0 x 10-4)
HIO (Ka = 2.0 x 10-11)
C6H5COOH (K₂ = 6.5 x 10-5)
O (weakest) HIO < HNO2 < C6H5COOH (strongest)
O (weakest) HIO < C6H5COOH <HNO2 (strongest)
O (weakest) HNO2 < C6H5COOH <HIO (strongest)
O All weak acids are equally weak
O (weakest) C6H5COOH < HIO HNO2 (strongest)
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