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6.2 Organic chemistry

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Question 16
F

Butanol, CH3CH2CH2CH2OH\mathrm{CH_{3}CH_{2}CH_{2}CH_{2}OH}CH3​CH2​CH2​CH2​OH, is warmed with acidified potassium manganate(VII). The butanol is oxidised to a carboxylic acid with the same number of carbon atoms.

Relative atomic mass (ArA_rAr​): H = 1.0 C = 12.0 O = 16.0

How does the relative formula mass change when butanol is oxidised?

[1]
A

It increases by 14

B

It increases by 16

C

It increases by 18

D

It decreases by 2

Markscheme

6.2 Organic chemistry Questions

  1. GCSE
  2. /Chemistry
  3. /6.2 Organic chemistry

63 exam-style questions on OCR GCSE Chemistry 6.2 Organic chemistry, covering 6.2.1 Crude oil and fractional distillation, 6.2.2 Cracking and dependence on hydrocarbons, 6.2.3 Functional groups and homologous series, 6.2.4 Reactions of alkanes, alkenes and alcohols, 6.2.5 Addition polymerisation and repeat units, 6.2.6 Naturally occurring polymers, 6.2.7 Chemical cells and fuel cells, and 6.2.8 Condensation polymerisation and how to make one. Each one has a worked solution and a mark scheme showing where the marks go.

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