01
Which of the following can function as a Lewis base?

1.	SF4
2.	BF3
3.	CF4
4.	SnF4
5.	PF5

02

Which of the following is not a strong acid?

1.	HF
2.	H2SO4
3.	HBr
4.	HNO3
5.	HCl 

03 

Solution A contains HCl and has a H+ concentration of 10^-3 M.
Solution B contains HCOOH(Formic Acid) and has an H+ concentration of
10-3M
Which solution is more acidic and which solution has a greater pH?

a.	Solution A is more acidic and has a greater pH
b.	Solution B is more acidic and has a greater pH
c.	Both solutions have identical acidities and pH
d.	Solution B is more acidic, but Solution A has a greater pH
e.	Solution A is more acidic, but Solution B has a greater pH

04

What is the pH of a 0.00123 M Al(OH)3 aqueous solution?

a.	2.91
b.	2.43
c.	11.57
d.	13.52
e.	11.09

05 

Bond strength influences the strength of an acid because

a.	weaker bonds lead to acids that are amphoteric
b.	polyprotic acids have ionic bonds rather than covalent bonds
c.	a stronger bond between OH- and H+ means a more favorable reaction
d.	stronger bonds are harder to break to release free H+ to the solution
e.	stronger bonds stabilize the free OH-

06 

Which aicd has the strongest conjugate base?

a.	HCl
b.	HF
c.	HBr
d.	HI