What this practice covers
These questions are drawn from past CIE 9701 Chemistry papers and filtered to chemical bonding. You answer, you find out immediately whether you were right, and you get the reasoning for the correct option and for each distractor. Wrong answers go to a mistakes locker so you can come back to exactly those.
Practice is free. You need an account only so your progress and your mistakes are still there next time.
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What examiners see students get wrong here
These are the errors that cost marks on chemical bonding, taken from our own topic notes. Read them before you practise and you will recognise the traps in the questions.
- Saying covalent bonds break when a simple molecular solid melts. Only the intermolecular forces break.
- Calling CO₂ polar. The bonds are polar; the linear molecule is not.
- Saying hydrogen bonding occurs whenever hydrogen is present. It needs H bonded to N, O or F.
- Forgetting that lone pairs count when working out a shape, or forgetting they repel more.
- Writing the ammonia bond angle as 109.5°. One lone pair reduces it to 107°.
- Describing metallic bonding as attraction between atoms. It is between positive ions and delocalised electrons.
Revise it first
If any of the above is unfamiliar, work through the notes before practising: Chemical bonding revision notes.