C2Cl4 Lewis Structure Concepts

The video tutorial explains the process of drawing the Lewis structure for C2Cl4. It begins by identifying the total number of valence electrons and placing carbon atoms in the center due to their lower electronegativity. Chlorine atoms are placed on the outside. Electrons are distributed to form bonds and fill octets, initially leaving one carbon atom without a complete octet. The tutorial demonstrates how to move a pair of electrons to form a double bond, ensuring all atoms achieve octets. The process uses all 36 valence electrons, resulting in a complete and correct Lewis structure for C2Cl4.

How many total valence electrons are present in the C2Cl4 molecule?

• 34

• 32

• 38

• 36

Which element is placed at the center of the C2Cl4 Lewis structure?

• Oxygen

• Chlorine

• Carbon

• Hydrogen

What is the purpose of placing valence electrons between atoms in the Lewis structure?

• To change the element

• To decrease the atomic mass

• To increase the atomic number

• To form chemical bonds

How many valence electrons are used to form bonds initially in the C2Cl4 structure?

• 14

• 12

• 10

• 16

What adjustment is made to ensure the carbon atoms have complete octets?

• Adding more electrons

• Removing electrons

• Changing the central atom

• Forming a double bond

After forming a double bond, how many valence electrons does each carbon atom have?

• 6

• 9

• 7

• 8

What is the final step in confirming the C2Cl4 Lewis structure is correct?

• Ensuring all atoms have octets

• Adding more chlorine atoms

• Counting the number of atoms

• Changing the central atom