Skip to content

Course home

Sign up

6.2 Organic chemistry

EasyMediumHard
123456789101112131415161718192021
Question 7

A technician has four unlabelled samples, P, Q, R and S. One of them is butan-1-ol, C4H9OH\mathrm{C_4H_9OH}C4​H9​OH.

The table shows the relative formula mass of the compound in each sample and the result of testing each sample in water.

SampleRelative formula massSolution in water
P74alkaline
Q58neutral
R74neutral
S88acidic

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

Which sample is butan-1-ol?

[1]
A

Sample P

B

Sample S

C

Sample R

D

Sample Q

Markscheme

6.2 Organic chemistry Questions

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

131 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.

Question bank