CH 106 - Lesson 2

Lesson 2 Review

1.      Name the following molecules.

2.      Draw the following molecules.

a.      2,3-dimethyl-1-hexene

b.      3-chloro-4-methyl-1-pentyne

c.      trans-2-butene

d.      m-dibromobenzene

e.      4-chloro-2-nitrotoluene

f.        poly-2-butene

3.      Draw then name, the five possible non-cyclic isomers of C₅H₁₀.

4.      The below names are incorrect.  State what is wrong and give the correct name.

a.      4-(chloromethyl)-2-pentene

b.      trans-1-pentene

c.      1-chloro-2-phenol

5.      Explain how you would differentiate between benzene and cyclohexane with IR data only.

6.      For the compounds below, state the number of pi and sigma bonds present and also include the hybridization of the starred (*) carbons.

7.      A compound has the following IR and when burned on a copper wire, no change was seen in the flame.  Initially, no reaction was seen with Br₂ (in 1,1,1-trichloroethane) but when a few iron fillings were added, the bromine color disappeared. What is most likely to be the class of the organic molecule?

7.  Predict the products for the following reactions.