Ijmb Model Questions Vol1 2018 Chemistry Question 3

Practice essay / theory question 3 from the 2018 Ijmb Model Questions Vol1 Chemistry examination. This question covers Chemical Bonding, Lewis Structures, Resonance, VSEPR Theory, Molecular Polarity .

Ijmb Model Questions Vol1 2018 Chemistry Essay / Theory

Topics: Chemical Bonding Lewis Structures Resonance VSEPR Theory Molecular Polarity

Question 3 IJMB_MODEL_QUESTIONS_VOL1 • 2018 • CHEMISTRY • essay

Ijmb Model Questions Vol1 2018 Chemistry Question 3 diagram

The diagram shows the two major resonance Lewis structures of nitrogen dioxide (NO₂). All atoms are labelled, and lone pairs are indicated.

Question Parts

( a )

State the type of bond present between nitrogen and each oxygen atom in the resonance form on the left.

( b )

Using the left‑hand resonance structure, calculate the formal charge on nitrogen and on each oxygen atom.

( c )

Predict the molecular geometry of NO₂ using VSEPR theory and give a brief justification.

( d )

Discuss whether the NO₂ molecule is polar or non‑polar and explain the reason for your answer.

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About This Question

This is Ijmb Model Questions Vol1 2018 Chemistry Question 3. It is one of the essay questions from the 2018 Ijmb Model Questions Vol1 Chemistry examination.

The question covers Chemical Bonding, Lewis Structures, Resonance, VSEPR Theory, Molecular Polarity .

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