May/June 2026 Paper 42

2026 · 9 questions · 56 parts · 100 marks

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1(a)(i)1(a)(ii)1(b)(i)1(b)(ii)1(c)1(d)(i)1(d)(ii)1(e)1(f)(i)1(f)(ii)1(g)1(h)

–/20 mks

2(a)2(b)2(c)2(d)(i)2(d)(ii)2(d)(iii)

–/10 mks

3(a)(i)3(a)(ii)3(a)(iii)3(b)3(c)

–/10 mks

4(a)4(b)4(c)

–/6 mks

5(a)5(b)(i)5(b)(ii)5(b)(iii)5(c)

–/11 mks

6(a)(i)6(a)(ii)6(b)6(c)(i)6(c)(ii)6(d)6(e)(i)6(e)(ii)

–/14 mks

7(a)(i)7(a)(ii)7(b)(i)7(b)(ii)7(c)7(d)(i)7(d)(ii)

–/11 mks

8(a)8(b)(i)8(b)(ii)8(b)(iii)8(c)

–/8 mks

9(a)9(b)(i)9(b)(ii)9(c)(i)9(c)(ii)

–/10 mks

6(a)(i)Aromatic Chemistry PhenolsEasy1 mark

Phenol reacts with Br

_{2}

(aq). State all the expected observations when Br

_{2}

(aq) is added dropwise to a solution of phenol.

Two answers required.

6(a)(ii)Aromatic Chemistry PhenolsMedium1 mark

Draw the structure of the organic product formed when phenol reacts with an excess of Br

_{2}

(aq).

Draw with the mouse or a finger.

6(b)Aromatic Chemistry PhenolsMedium2 marks

Explain the relative acidities of phenol and water.

Answer

0 words

6(c)(i)Addition PolymersMedium1 mark

Compound

C

can undergo both addition and condensation polymerisation.

Figure 6.1, compound $C$: a benzene ring with an –OH group at one position and, on the adjacent (ortho) carbon, a –CH=CH–COOH side chain (a trans, E-configured propenoic-acid chain) — 2-hydroxycinnamic acid.

Draw one repeat unit of the addition polymer formed from

C

Draw with the mouse or a finger.

6(c)(ii)Condensation PolymersMedium2 marks

Compound

C

can undergo both addition and condensation polymerisation.

Draw two repeat units of the condensation polymer formed from

C

. The new functional group formed should be displayed.

Draw with the mouse or a finger.

6(d)Organic SynthesisMedium2 marks

C

can react with LiAlH

_{4}

C

can also react with an excess of H

_{2}

(g) with a nickel catalyst.

Draw the structure of the organic product formed in each reaction in Figure 6.2.

Draw with the mouse or a finger.

6(e)(i)Organic SynthesisMedium2 marks

Compound

F

can be synthesised from phenol in three steps, as shown in Figure 6.3.

Draw the structures of compounds

D

and

E

in the boxes in Figure 6.3.

Draw with the mouse or a finger.

6(e)(ii)Organic SynthesisMedium3 marks

Compound

F

can be synthesised from phenol in three steps, as shown in Figure 6.3.

Suggest reagents and conditions for steps 1 to 3 in Figure 6.3.

Step 1

0 words

Step 2

0 words

Step 3

0 words