Gce Model Questions Vol1 2021 Chemistry Question 3

Practice essay / theory question 3 from the 2021 Gce Model Questions Vol1 Chemistry examination. This question covers Chemical Bonding .

Gce Model Questions Vol1 2021 Chemistry Essay / Theory
Topic: Chemical Bonding
Question 3 GCE_MODEL_QUESTIONS_VOL1 • 2021 • CHEMISTRY • essay
Gce Model Questions Vol1 2021 Chemistry Question 3 diagram

The diagram shows the Lewis structure of the nitrate ion (NO₃⁻).

Question Parts

( a )
Calculate the total number of valence electrons in the ion and determine the formal charge on each atom in the shown structure.
( b )
State the hybridisation of the nitrogen atom and describe the molecular geometry of the ion.
( c )
Explain why the nitrate ion exhibits resonance and draw all resonance structures that are possible.
( d )
Determine the average N–O bond order in the ion and discuss whether the ion is polar or non‑polar.

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About This Question

This is Gce Model Questions Vol1 2021 Chemistry Question 3. It is one of the essay questions from the 2021 Gce Model Questions Vol1 Chemistry examination.

The question covers Chemical Bonding .

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