DP Chemistry (last assessment 2024)

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Question 19M.2.hl.TZ1.2i

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Date May 2019 Marks available [Maximum mark: 1] Reference code 19M.2.hl.TZ1.2i
Level hl Paper 2 Time zone TZ1
Command term State Question number i Adapted from N/A
i.
[Maximum mark: 1]
19M.2.hl.TZ1.2i

Benzoic acid, C6H5COOH, is another derivative of benzene.

(i)

State the reagent used to convert benzoic acid to phenylmethanol (benzyl alcohol), C6H5CH2OH.

[1]

Markscheme

lithium aluminium hydride/LiAlH4    [✔]

Examiners report

Very few candidates answered this part correctly and scored the mark. Common answers were H2SO4, HCl & Sn, H2O2. In general, strongest candidates gained the mark.

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