CHCl3 Lewis Structure and Valence Electrons

The video tutorial explains how to draw the Lewis structure for CHCl3. It begins by identifying the number of valence electrons for each atom: carbon, hydrogen, and chlorine. The tutorial then describes the placement of atoms, with carbon at the center due to its lower electronegativity. Hydrogen is placed on the outside, and chlorines are arranged around the carbon. The video details the process of forming chemical bonds and ensuring each atom satisfies the octet rule, using all 26 valence electrons. The tutorial concludes with a complete CHCl3 Lewis structure, where each atom has a full outer shell.

How many valence electrons does carbon contribute in the CHCl3 molecule?

• 8

• 7

• 4

• 1

Which atom is placed at the center of the CHCl3 Lewis structure?

• Oxygen

• Hydrogen

• Carbon

• Chlorine

How many chlorine atoms are present in the CHCl3 molecule?

• 4

• 3

• 2

• 1

What is the total number of valence electrons used in the CHCl3 Lewis structure?

• 18

• 24

• 20

• 26

How many valence electrons does each chlorine atom have in the CHCl3 structure?

• 8

• 2

• 4

• 6

What is the minimum number of valence electrons needed for hydrogen to have a full outer shell?

• 3

• 2

• 1

• 4

What is the significance of the octet rule in the CHCl3 Lewis structure?

• It ensures carbon and chlorine have 8 electrons.

• It ensures hydrogen has 8 electrons.

• It ensures the molecule is linear.

• It ensures all atoms have 2 electrons.