Which of the following statements about acids is true? O All of the other statements are false O For a weak acid, the equilibrium [H3O]* = initial [HA] O The conjugate base of a strong acid will significantly raise the pH of water O For a polyprotic acid, the first H* dissociation has the smallest Ka O The conjugate base of a weak acid is a stronger base than H20

Which of the following statements about acids is true? O All of the other statements are false O For a weak acid, the equilibrium [H3O]* = initial [HA] O The conjugate base of a strong acid will significantly raise the pH of water O For a polyprotic acid, the first H* dissociation has the smallest Ka O The conjugate base of a weak acid is a stronger base than H20

Chemistry & Chemical Reactivity

9th Edition

ISBN:9781133949640

Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Chapter16: Principles Of Chemical Reactivity: The Chemistry Of Acids And Bases

Section16.10: The Lewis Concept Of Acids And Bases

Problem 1RC: 1. Which of the following can act as a Lewis acid? (Hint : In each case, draw the Lewis electron dot...

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1. Which of the following can act as a Lewis acid? (Hint : In each case, draw the Lewis electron dot structure of the molecule or ion. Are there lone pairs of electrons on the central atom? If so, it can be a Lewis base. Does the central atom lack an electron pair? If so, it can behave as a Lewis acid.) PH3 BCl3 H2S HS−