Resonance Chemistry

Define the term resonance structure

• Delocalization of electrons in an atom
• Delocalization of π electrons within a molecule
• Spread of π electrons in an atom
• Spread of π electrons within a molecule

For carbonate ions, how many resonance structures can be drawn ?

• 2
• 3
• 4
• 5

For carbonate ions, what is the bond strength between C and O

• C-O (single bond)
• C=O (double bond)
• C≡O (triple bond)
• C-O(between single and double bond)

What is the bond order for CO₃^2- ion?

• 1
• 1.5
• 2
• 1.33

Tags

NGSS.HS-PS1-3

How many resonance structures for NO₃^- ion?

• 1
• 2
• 3
• 4

What is the bond strength between N and O?

• N-O (Single bond)
• N=O (double bond)
• N Ξ O (Triple bond)
• N-O (between single and double bond)

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-3

What is the bond order for NO₃^- ion?

• 1
• 1.5
• 2
• 1.3

How many resonance structure for SO₂ ?

• 1
• 2
• 3
• 4

What is the bond strength between S and O?

• 1
• 1.5
• 2
• 3

Tags

NGSS.HS-PS1-4

What is the bond order for SO₂?

• 1
• 1.3
• 1.5
• 2