4 (CH3)3CCHO is used in the synthesis of some antibiotics.
(a) (i) Give the name of (CH3)3CCHO.
(ii) State the hybridisation of the carbon atom labelled with an asterisk, *.
[Figure 4.1]
(b) Two reaction sequences are shown.
[Figure 4.2]
(i) Reaction 1 is an oxidation reaction.
Identify the reagent(s) and conditions for reaction 1.

Q: What topic does this question test?

This question tests Carbonyl compounds in A-Level Chemistry (syllabus code 9701). It is worth 22 marks.

Q: Which exam paper is this question from?

This question appeared in the Cambridge A-Level Chemistry Oct/Nov 2019 examination, Paper 2 Variant 1 (9701_w19_qp_21.pdf).

Question

4 (CH3)3CCHO is used in the synthesis of some antibiotics.
(a) (i) Give the name of (CH3)3CCHO.
(ii) State the hybridisation of the carbon atom labelled with an asterisk, *.
[Figure 4.1]
(b) Two reaction sequences are shown.
[Figure 4.2]
(i) Reaction 1 is an oxidation reaction.
Identify the reagent(s) and conditions for reaction 1.

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