5. An unknown compound with molecular weight 84.9 g/mol has 14.1% C, 2.4% H, the rest is Cl. The most likely molecular formula for this compound is:
a. CH3CL
b. C2H4CL4
c. CH2CL2
d. CHCL3
6. The Lewis Structure for dimethyl ether, CH3OCH3 would show how many non-bonded (lone) electron pairs?
7. The most basic species among the following is:
a. F-
b. OH-
c. NH2-
d. CH3-
8. The formal charge on the nitrogen in the compound shown below is ______________
CH3CH=NH2