Chemistry Test Organic Chemistry 4

Question 1

Which of the following is an example of a conjugated diene?

Accepted Answer

1,3-butadiene

Answer

1,4-pentadiene

Answer

1,5-hexadiene

Answer

2-methylpropene

Question 2

What is the major product of treating benzene with Br₂ in the presence of FeBr₃?

Accepted Answer

Bromobenzene

Answer

Addition of Br₂ across the ring

Answer

Bromocyclohexane

Answer

1,2-dibromocyclohexane

Question 3

Which reagent converts a carboxylic acid to an acid chloride?

Accepted Answer

PCl₅ or SOCl₂

Answer

SOCl₂

Answer

HCl

Answer

NaCl

Question 4

In a Fischer projection, horizontal bonds point toward the viewer and vertical bonds point away. For D-glucose, the –OH on C-5 points in which direction?

Accepted Answer

Right

Answer

Left

Answer

Up

Answer

Down

Question 5

What type of polymer is nylon formed by?

Accepted Answer

Step-growth (condensation) polymerization

Answer

Free-radical polymerization

Answer

Ring-opening polymerization

Answer

Cationic polymerization

Question 6

Which of the following correctly ranks carbocation stability from most to least stable?

Accepted Answer

Tertiary > Secondary > Primary

Answer

Primary > Secondary > Tertiary

Answer

Secondary > Tertiary > Primary

Answer

Primary > Tertiary > Secondary

Question 7

What is the product when cyclohexanone reacts with excess LiAlH₄ followed by aqueous workup?

Accepted Answer

Cyclohexanol

Answer

Cyclohexane

Answer

Cyclohexene

Answer

Cyclohexanediol