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CAIE A-Level Chemistry 13.1.4 Organic Formulae and Structures

Practise interpreting and drawing general, molecular, structural, displayed and skeletal organic formulae.

Syllabus
2028–2030
Course
Chemistry 9701
Level
AS

Exam points

  • preserve atom count and connectivity when converting between molecular, structural and displayed formulae
  • in skeletal formulae, infer carbon atoms at line ends and vertices and add the correct implicit hydrogens
  • show every bond in a displayed formula and include heteroatom hydrogens where the structure requires them

13.1.4—Interpret/use the general, structural, question 1

[Maximum number: 1]

Compounds P, Q and R have all been found in the atmosphere of one of Saturn's moons.
P

Figure for Question 13.1.4—Interpret/use the general, structural, question 1 — CAIE A-Level Chemistry AS
Q

Q

R

R

The flow chart shows some reactions of R.

R

Figure for Question 13.1.4—Interpret/use the general, structural, question 1 — CAIE A-Level Chemistry AS
Figure for Question 13.1.4—Interpret/use the general, structural, question 1 — CAIE A-Level Chemistry AS
CH3CH2CH2NH2\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CH}_{2} \mathrm{NH}_{2}

Draw the structure of S, the organic product of reaction 2 .

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