This is a worksheet lab - there is no prelab and lab write up is not required Complete the following three tasks below. a. Find the approximate pKa value for each compound in the table below and draw the structure of each compound and its conjugate base. b. Circle the form (the acid or the base) that predominates at a pH of 7. C. Write whether the predominate form would be more water soluble or more organically soluble. (You do not need to show any calculations for this question) Nitric Acid Acetic Acid Hydrocyanic Acid pka = = pKa Carbonic Acid pKa (1)= (-36 pKa (2) = 10.33 oka = o

This is a worksheet lab - there is no prelab and lab write up is not required Complete the following three tasks below. a. Find the approximate pKa value for each compound in the table below and draw the structure of each compound and its conjugate base. b. Circle the form (the acid or the base) that predominates at a pH of 7. C. Write whether the predominate form would be more water soluble or more organically soluble. (You do not need to show any calculations for this question) Nitric Acid Acetic Acid Hydrocyanic Acid pka = = pKa Carbonic Acid pKa (1)= (-36 pKa (2) = 10.33 oka = o

World of Chemistry, 3rd edition

3rd Edition

ISBN:9781133109655

Author:Steven S. Zumdahl, Susan L. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan L. Zumdahl, Donald J. DeCoste

Chapter16: Acids And Bases

Section: Chapter Questions

Problem 58A

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Similar questions

List the following bases in order of their decreasing strength strongest base first: CN,H2O,HSO3,ClO,Cl.
Summarize the relationship between pKa and base strength by completing the followingsentences: a. For a given base, the higher the pKa of its conjugate acid, the stronger or weaker the base. b. For a given base, the lower the pKa of its conjugate acid, the stronger or weaker the base.
For oxyacids, how does acid strength depend on a. the strength of the bond to the acidic hydrogen atom? b. the electronegativity of the element bonded to the oxygen atom that bears the acidic hydrogen? c. the number of oxygen atoms? How does the strength of a conjugate base depend on these factors? What type of solution forms when a nonmetal oxide dissolves in water? Give an example of such an oxide. What type of solution forms when a metal oxide dissolves in water? Give an example of such an oxide.
In each of the following chemical equations, identify the conjugate acid—base pairs. a. HF(aq)+H2O(l)F-(aq)+H3O+(aq)b. CN(aq)+H2O(l)HCN(aq)+OH(aq) c. HCO3-(aq)+H2O(l)H2CO3(aq)+OH-(aq)
Each box represents an acid solution at equilibrium. Squares represent H+ ions, and circles represent the anion. Water molecules are not shown. Which figure represents a strong acid? Which figure is a weak acid?
Several acids and their respective equilibrium constants are: Which is the strongest acid? Which is the weakest acid? Which acid has the weakest conjugate base? Which acid has the strongest conjugate base?