CMY 127 Theme 2 Exam Questions & Answers.

CMY 127 Theme 2 Exam Questions &
Answers.
Arrhenius acid rule - CORRECT ANSWER a chemical compound that increases the concentration of
hydrogen ions, H+, when dissolves in aqueous solution



Arrhenius acid example - CORRECT ANSWER HCl.

H3O+



Arrhenius base rule - CORRECT ANSWER a substance that increases the concentration of hydroxide ions
when it dissolves in aqueous solution



Arrhenius base example - CORRECT ANSWER NaOH

OH-



Bronsted-Lowry acid rule - CORRECT ANSWER An acid is a proton donor



Bronsted-Lowry base rule - CORRECT ANSWER A base is a proton acceptor



Lewis acid rule - CORRECT ANSWER An acid is an electron acceptor



Lewis base rule - CORRECT ANSWER A base is a n electron donor



Bronsted-Lowry different types of acids - CORRECT ANSWER -Neutral compound

-Cations

-Anions

-Hydrated metals



Bronsted-Lowry different types of bases - CORRECT ANSWER -Neutral compound

, -Anions

-Hydrated metals



Bronsted-Lowry acid as compound equation - CORRECT ANSWER HNO3(aq) + H2O(l) <--> NO3-(aq) +
H3O+(aq)



Bronsted-Lowry acid as cation equation - CORRECT ANSWER HH4+(aq) + H2O(l) <--> NH3(aq) + H3O(aq)



Bronsted-Lowry acid as anion equation - CORRECT ANSWER H2PO-(aq) + H2O(l) <--> HPO-2(aq) + H3O+
(aq)



Bronsted-Lowry acid as hydrated metals equation - CORRECT ANSWER [Fe(H2O)6]+3(aq) + H2O(l) <-->
[Fe(H2O)5(OH)]+2(aq) + H3O+(aq)



Bronsted-Lowry base as compound equation - CORRECT ANSWER NH3(aq) H2O(l) <--> NH4+(aq) + OH-
(aq)



Bronsted-Lowry base as anions equation - CORRECT ANSWER CO3-2(aq) + H2O(l) <--> HCO3-(aq) + OH-



Bronsted-Lowry base as hydrated metals equation - CORRECT ANSWER [Al(H2O)5]+2(aq) + H2O(l) <-->
[Al(H2O)6(OH)]+3(aq) + OH-(aq)



Types of acids - CORRECT ANSWER monoprotic and polyprotic



Monoprotic acid - CORRECT ANSWER an acid that can donate only one proton (H+ ion) per molecule

-> HCl

-> HF

-> HClO3



polyprotic acid - CORRECT ANSWER an acid that can donate more than one proton per molecule