Module Five Sample Exam Answers

 

Part G Single Replacement Reactions                    4 points

 

Given the following Activity Series:

Li > K > Ba > Sr > Ca > Na > Mg > Al > Mn > Zn > Fe > Cd > Co > Ni >

Sn > Pb > (H) > Cu > Ag > Hg > Au

 

Given the following Active Metals:

Li > K > Ba > Sr > Ca > Na

 

Complete the products of the following reactions, then balance the equation (If no reaction write NR):

ANSWERS:

 

1.        Cu (s)    +    Al(NO3)3 (aq)     à   No Reaction

(Copper is less active than aluminum)

 

 

 

2.      2  Al (s)     +   3 Cu(NO3)2 (aq)   à 2 Al(NO3)3 (aq)   +  3  Cu (s)

 

 

 

3.        Au (s)   +    H2SO4 (aq)     à  No Reaction

(Gold is below (H) in the activity Series above)

 

 

4.        Ca (s)    +   2  HOH (l)         à   Ca(OH) 2 (aq)     +   H2  ↑

 

 

 

5.          Mn (s)    +     H2O (l)         à  No Reaction

(Manganese is not listed as an Active metal above)