$$\sigma\ (\text{Csp},\ \text{Hs})$$

$$\pi\ (\text{Cp}_z,\ \text{Cp}_z)$$\ \text{and}\ \pi\ (\text{Cp}_y,\ \text{Cp}_y)$

$$\text{sp}$$ and $$\text{sp}$$

$$\text{p}_y$$ and $$\text{p}_y$$,\ \text{p}_z$$ and $$\text{p}_z$

Question 1

In the molecule shown (acetylene, C$$_2H$_2$$), which type of bond is formed between the carbon and hydrogen atoms?

Accepted Answer

$$\sigma\ (	ext{Csp},\ 	ext{Hs})$$

Question 2

Which bond in acetylene (C$$_2H$_2) is $$described by $$\sigma\ (	ext{Csp},\ 	ext{Csp})$$?

Accepted Answer

The single bond between the two carbon atoms

Question 3

What is the correct description for the $$\pi$$ bonds in the triple bond between the two carbon atoms in acetylene?

Accepted Answer

$$\pi\ (	ext{Cp}_z,\ 	ext{Cp}_z)$$\ 	ext{and}\ \pi\ (	ext{Cp}_y,\ 	ext{Cp}_y)$

Question 4

How many total $$\pi$$ bonds are present in the molecule acetylene (C$$_2H$_2$$)?

Accepted Answer

2

Question 5

Which hybridization is found in the carbon atoms of acetylene (C$$_2H$_2$$)?

Accepted Answer

$$	ext{sp}$$

Question 6

Which statement best describes the bond between the two carbon atoms in acetylene (C$$_2H$_2$$)?

Accepted Answer

It consists of one $$\sigma$$ bond and two $$\pi$$ bonds.

Question 7

Which orbitals overlap to form the $$\sigma$$ bond between the two carbon atoms in acetylene?

Accepted Answer

$$	ext{sp}$$ and $$	ext{sp}$$

Question 8

Which orbitals overlap to form the $$\pi$$ bonds in acetylene?

Accepted Answer

$$	ext{p}_y$$ and $$	ext{p}_y$$,\ 	ext{p}_z$$ and $$	ext{p}_z$

Question 9

What is the bond angle between the atoms in acetylene (C$$_2H$_2$$)?

Accepted Answer

$$180^\circ$$

Question 10

Which of the following best describes the molecular geometry of acetylene (C$$_2H$_2$$)?

Accepted Answer

Linear

Bond Types and Hybridization in Acetylene (C₂H₂)

Study Guide - Practice Questions