Fulminate Ion Properties and Structure

The video tutorial explains how to draw the Lewis structure for the CNO- ion, focusing on two main representations: the cyanide ion and the fulminate ion. It details the process of distributing valence electrons, forming chemical bonds, and ensuring each atom achieves an octet. The tutorial also covers the creation of double and triple bonds and the importance of calculating formal charges to represent ions accurately. The fulminate ion is highlighted as a real molecule, and the video concludes with a discussion on the net charge and formal charge calculations.

What are the two ways to draw the CNO- Lewis structure?

• As the cyanide ion and the fulminate ion

• As the fulminate ion and the carbonate ion

• As the nitrate ion and the fulminate ion

• As the cyanate ion and the nitrate ion

What is unique about the fulminate ion compared to other ions?

• It actually exists in nature

• It is a theoretical molecule

• It has no formal charge

• It has 18 valence electrons

How many total valence electrons are used in the fulminate ion?

• 14

• 16

• 18

• 20

Why is carbon placed at the center of the fulminate ion structure?

• Because it forms the most bonds

• Because it has the highest atomic number

• Because it is the least electronegative

• Because it is the most electronegative

What adjustment is made to ensure nitrogen achieves an octet in the fulminate ion?

• Adding more electrons to nitrogen

• Forming a double bond with oxygen

• Sharing electrons from carbon to form a double bond

• Removing electrons from oxygen

What is the final bond configuration between carbon and nitrogen in the fulminate ion?

• Double bond

• Quadruple bond

• Single bond

• Triple bond

What must be added to the Lewis structure to indicate it is an ion?

• A positive sign

• Brackets and a negative sign

• A double line

• A circle around the structure

What is the net formal charge of the fulminate ion?

• 0

• +1

• -1

• -2

How does the formal charge of the fulminate ion compare to the cyanate ion?

• It is more stable

• It is the same

• It is less stable

• It is more positive

Why is the fulminate ion significant despite its less optimal formal charge?

• It has a positive charge

• It is a theoretical concept

• It is used in explosives

• It exists in nature