CHM 2210C      Chapter 2   Sample Exam Answers

 

Part I: Identification of Acids and Bases         10 points

Label the acid and the base and their corresponding conjugate pairs as conjugate acid and conjugate base for the following reactions:

 

 

 

 (1)         NH4 +       +       Cl 1-      <=====>       NH3     +     HCl

             Acid                        Base                       Conjugate Base      Conjugate Acid

 

 

 

 

(2)       CH3OH     +       Cl-1-       <======>      HCl       +              CH3O1-

             Acid                        Base                       Conjugate Acid          Conjugate Base

 

 

 

 

(3)      C5H5NH+1     +   H2O         <=======>    C5H5N        +        H3O+1

            Acid                        Base                               Conjugate Base      Conjugate Acid

 

 

 

 

(4)      HSeO4 1-      +     NH3        <=======>   NH4 1+    +        SeO4 2-

              Acid                        Base                       Conjugate Acid          Conjugate Base

 

 

 

 

 

(5)      HCO3 1-   +    OH 1-         <==========>     CO3 2-       +    H2O

            Acid                  Base                                 Conjugate Base      Conjugate Acid