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OFFICIAL UAT-UK SPEC: C13MODULE: CHEMISTRY1 Tested Topic

C13: Organic Chemistry, Functional Groups and Polymers

Official Cambridge & Imperial ESAT specification requirements for Organic Chemistry, Functional Groups and Polymers on the Chemistry paper. Understand the syllabus boundaries, spot distractor traps engineered by examiners, and master the 2-step Sub-90 shortcuts that compress solve time well below the 88.8-second cutoff.

Start 40-Min Timed Mock Explore 1 Tested Topics

Official Syllabus Subtopics

Requirements specified in the UAT-UK framework

  • 1Homologous series and functional groups: alkanes (CₙH₂ₙ₊₂), alkenes (CₙH₂ₙ), alcohols, carboxylic acids, esters
  • 2Addition reactions of alkenes: bromine water test (orange ⟶ colourless confirms C=C double bond)
  • 3Combustion reactions: complete (CO₂ + H₂O) vs incomplete (CO/C soot + H₂O)
  • 4Structural isomerism: chain, positional, and functional group isomers
  • 5Addition polymerisation of alkene monomers
  • 6Condensation polymerisation (polyesters and polyamides releasing small molecules like H₂O)

Sub-90 Exam Speed Tips

How top candidates solve this spec under the 88.8s clock

Speed Invariant #1

To draw an addition polymer repeat unit, break the C=C double bond to a single bond and extend open bonds through brackets with subscript `n`.

Speed Invariant #2

Decolourising bromine water without UV light is the definitive test for unsaturated C=C bonds.

Examiner Trap Alert

Examiners engineer distractor options using common algebraic expansions and sign slips. Always test structural ratios or invariants before calculating arithmetic values.

Tested Topics in Specification C13

Master the individual question patterns and Sub-90 shortcuts for this specification.

1 Topic Catalogued
ARCH-C-1210 Past Qs (4.44%)

C1–C6 Organic Functional Groups, Structural Isomers, Alcohol Oxidation, Esterification & Polymers

For addition polymers, redraw any monomer as C(R1)(R2)=C(R3)(R4) first -> change = to - and extend bonds outside brackets. For ester R1-COO-R2, split the single C-O bond: R1-COOH (acid) + HO-R2 (alcohol).

Classroom: 135s→Sub-90: 35s
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UAT-UK ESAT SPEED REVOLUTION

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