Question 1

Which of the following statements correctly describes a property of alkanes?

Accepted Answer

Alkanes are generally nonpolar and insoluble in water.

Question 2

A carbon-carbon double bond in an alkene consists of:

Accepted Answer

One sigma bond and one pi bond.

Question 3

What is the IUPAC name for the following compound?

(CH$$_3$$)$$_2$$CHCH$$_2CH(CH$_3)CH$_2CH$_3$$

Accepted Answer

3,4-dimethylheptane

Question 4

How many secondary carbons are present in the molecule 3,4-dimethylheptane?

Accepted Answer

4

Question 5

An unsaturated hydrocarbon is one that:

Accepted Answer

Has a C-C double or triple bond.

Question 6

A fragment of the antibiotic Polymyxin B2 is shown below. What is the angle of the bond indicated in the image below?

$$\ce{O=C-NH}$$

Accepted Answer

$$120^\circ$$

Question 7

Monochlorination of pentane, C$$_5H$_{12}$$, leads to formation of how many different halogenated products?

Accepted Answer

4

Question 8

Which of the following compounds has the lowest boiling point?

Accepted Answer

cis-2-butene

Question 9

Cis-trans isomerism occurs when:

Accepted Answer

The carbons in an alkene double bond each have two different substituent groups.

Question 10

In the following reaction, what type of reaction is shown?

$$\ce{Cl_2$ + CH_4$ \rightarrow CH_3Cl + HCl}$$

Accepted Answer

Substitution

Question 11

Hydrohalogenation of 3-methyl-1-butene with HCl would yield what major product?
(Hint: draw this molecule and apply Markovnikov's rule)

Accepted Answer

2-chloro-3-methylbutane

Question 12

What is the correct IUPAC name for the following compound?

A benzene ring with a butyl group attached.

Accepted Answer

butylbenzene

Question 13

The atoms marked 'B' in the cyclohexane chair conformation are in the:

Accepted Answer

Axial position

Question 14

In the polymerization reaction shown below, what is the stage called?

$$\ce{n(CH_2$=CH_2$) \rightarrow -(CH_2$-CH_2$)-_n}$$

Accepted Answer

Propagation

Question 15

The name of the polymer formed from $$\ce{CH_2$=CHCl} is$$:

Accepted Answer

Polyvinyl chloride

Question 16

Which molecule contains a chiral carbon?

(CH$$_3)CH(CH$_2CH$_3)CH$_2CH$_3$$

Accepted Answer

CH$$_3CH(CH$_2CH$_3)CH$_2CH$_3$$

Question 17

The IUPAC name of the alcohol shown is:

$$\ce{Cl-CH_2$-CH(Cl)-CH_2$-CH_2$-OH}$$

Accepted Answer

2,3-dimethylpentanol

Question 18

When an alkene undergoes a hydration reaction, the product is an:

Accepted Answer

Alcohol

Question 19

What is the IUPAC name of the molecule shown?

A cyclobutane ring with two methyl groups on adjacent carbons.

Accepted Answer

Dimethylcyclobutane

Question 20

The bond and atom indicated by the letter 'B' are represented to show that they are:

Accepted Answer

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