CAIE A-Level Chemistry AS 13 An Introduction to As Level Organic Chemistry Questions

Practise organic nomenclature, functional-group recognition, structural formulae, isomerism and reaction representation.

Covered syllabus points

AS organic chemistry conventions and functional group reference 13.1 Formulas, functional groups and nomenclature 13.2 Characteristic organic reactions 13.3 Shapes of organic molecules; σ and π bonds 13.4 Structural isomerism and stereoisomerism

[Maximum number: 1]

Two hydrocarbons have the formulae $\mathrm{C}_{\mathrm{W}} \mathrm{H}_{\mathrm{X}}$ and $\mathrm{C}_{\mathrm{Y}} \mathrm{H}_{\mathrm{Z}}$ . W, X, Y and Z represent different whole numbers.

\frac{W}{X}=\frac{Y}{Z}

Which row is correct when comparing the two hydrocarbons?

empirical formula

molecular formula

relative molecular mass

different

same

different

same

different

same

different

same

[Maximum number: 1]

Which pair of reagents react together in a redox reaction?

$\mathrm{CH}_{3} \mathrm{CHCH}_{2}+\mathrm{Br}_{2}$

$\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CH}_{2} \mathrm{OH}+$ concentrated $\mathrm{H}_{3} \mathrm{PO}_{4}$

$\mathrm{CH}_{3} \mathrm{COCH}_{3}+\mathrm{HCN}$

$\mathrm{HCO}_{2} \mathrm{C}_{2} \mathrm{H}_{5}+$ dilute $\mathrm{H}_{2} \mathrm{SO}_{4}$

[Maximum number: 1]

Compound T has the skeletal formula shown.

compound T

Which structure is a structural isomer of compound T ?

Figure for Question 3 — CAIE A-Level Chemistry AS — Option A

Figure for Question 3 — CAIE A-Level Chemistry AS — Option B

Figure for Question 3 — CAIE A-Level Chemistry AS — Option C

Figure for Question 3 — CAIE A-Level Chemistry AS — Option D

[Maximum number: 1]

Compound X contains an alcohol group and a carbonyl group.

compound X

Which row is correct?

type of

alcohol group

type of

carbonyl group

primary

aldehyde

primary

ketone

tertiary

aldehyde

tertiary

ketone

All question bank results loaded

Covered syllabus points

Question 1

Question 2

Question 3

Question 4