Understanding the Lewis Structure of the Nitrite Ion

This video tutorial explains how to draw the Lewis structure of the nitrite ion (NO2-). It covers counting valence electrons, determining lone pairs, and drawing the structure with bonds and lone pairs. The video also discusses resonance structures, molecular geometry, hybridization, and formal charge calculations. The tutorial concludes with a summary of the key points.

What is the total number of valence electrons in the nitrite ion?

• 19

• 18

• 17

• 16

How many lone pairs are on the central nitrogen atom in the nitrite ion?

• Three

• Four

• Two

• One

What is the maximum number of electrons that nitrogen can have around it according to the oxide rule?

• 10

• 8

• 12

• 6

Which type of bond is formed between nitrogen and one of the oxygen atoms in the nitrite ion?

• Triple bond

• Double bond

• Quadruple bond

• Single bond

What happens to the double bond in the resonance structure of the nitrite ion?

• It becomes a triple bond

• It moves to the other oxygen atom

• It disappears

• It remains unchanged

What is the molecular geometry around the central nitrogen atom in the nitrite ion?

• Tetrahedral

• Linear

• Bent

• Trigonal planar

What is the hybridization of the nitrogen atom in the nitrite ion?

• sp3d

• sp3

• sp2

• sp

What is the formal charge on the oxygen atom with three lone pairs in the nitrite ion?

• +1

• -2

• 0

• -1

How is the overall charge of the nitrite ion determined?

• By the charge on one oxygen atom

• By the charge on all atoms

• By the charge on both oxygen atoms

• By the charge on nitrogen

What is the formal charge on the central nitrogen atom in the nitrite ion?

• 0

• -2

• +1

• -1