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4.2 Identifying the products of chemical reactions

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Question 24
F

The diagram shows the mass spectrum of an unknown compound and the mass spectra of four known compounds.

image

Statement 1: Propan-1-ol, ethanoic acid and propan-2-ol have the same relative formula mass.

Statement 2: The unknown compound is propan-2-ol.

Statement 3: The relative formula mass of butane is 58.

Statement 4: The tallest peak in each spectrum shows the relative formula mass of the compound.

Which statements are correct?

[1]
A

1 and 2 only

B

1, 2 and 3 only

C

2 and 4 only

D

1, 2, 3 and 4

Markscheme

4.2 Identifying the products of chemical reactions Questions

  1. GCSE
  2. /Chemistry
  3. /4.2 Identifying the products of chemical reactions

52 exam-style questions on OCR GCSE Chemistry 4.2 Identifying the products of chemical reactions, covering 4.2.1 Tests to identify gases, 4.2.2 Tests for aqueous ions and flame tests, and 4.2.3 Instrumental methods of analysis. Each one has a worked solution and a mark scheme showing where the marks go.

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