Question 1

Which of the following best describes the hybridization of each carbon atom in the molecule shown above?

Accepted Answer

The left carbon is sp hybridized, and the right carbon is sp3 hybridized.

Question 2

How many carbon-carbon sigma ($$\sigma) $$bonds are present in the molecule shown above?

Accepted Answer

$$1$$

Question 3

What is the IUPAC name of the compound shown in the image?

Accepted Answer

Propyne (methylacetylene)

Question 4

Which carbon in the molecule shown above is most likely to have the most acidic hydrogen?

Accepted Answer

The terminal carbon (leftmost carbon)

Question 5

If the molecule shown above reacts with sodium amide ($$\mathrm{$$NaNH_2$$}$$), what is the major organic product?

Accepted Answer

A sodium acetylide ion ($$\mathrm{HC \equiv C^- Na^+})$$

Organic Chemistry Exam Review – Key Concepts and Problem-Solving Guidance

Study Guide - Practice Questions