CHM 235 - Full and Updated CBT Past Questions Collated According to Syllabus

1. Two isomeric forms of a saturated hydrocarbon

(a) have the same structure.

(b) have different compositions of elements.

(c) have the same molecular formula.

(d) have a different content of the isotopes of hydrogen.

(e) react vigorously with one another.

2. Which of the following hydrocarbons does not have isomers?

(a) C7H16

(b) C6H14

(c) C5H10

(d) C4H8

(e) C3H8

3. The name of the alkane isomer of cis-3-hexene is:

(a) 2-methylpentane

(b) 3-methylpentane

(c) n-hexane

(d) 2,3-dimethylbutane

(e) cyclohexane

4. How many aromatic isomers of dibromobenzene exist?

(a) 2

(b) 3

(c) 4

(d) 6

(e) 8