Gce Model Questions Vol1 2019 Chemistry Question 3

Practice essay / theory question 3 from the 2019 Gce Model Questions Vol1 Chemistry examination. This question covers Chemical Bonding .

Gce Model Questions Vol1 2019 Chemistry Essay / Theory

Topic: Chemical Bonding

Question 3 GCE_MODEL_QUESTIONS_VOL1 • 2019 • CHEMISTRY • essay

Gce Model Questions Vol1 2019 Chemistry Question 3 diagram

The diagram shows the line‑bond structure of a covalent molecule containing carbon, hydrogen and oxygen atoms.

Question Parts

( a )

Write the molecular formula of the compound and state its empirical formula.

( b )

Draw the complete Lewis structure of the molecule, showing all bonding pairs and lone pairs on the oxygen atom.

( c )

Using VSEPR theory, state the predicted geometry around each central atom (both carbon atoms and the oxygen atom) and give the approximate bond angles.

( d )

Discuss whether the molecule is polar or non‑polar, giving reasons based on its shape and the electronegativity of the atoms involved.

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About This Question

This is Gce Model Questions Vol1 2019 Chemistry Question 3. It is one of the essay questions from the 2019 Gce Model Questions Vol1 Chemistry examination.

The question covers Chemical Bonding .

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