DP Chemistry (last assessment 2024)

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Question 18M.1.sl.TZ1.2

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Date May 2018 Marks available [Maximum mark: 1] Reference code 18M.1.sl.TZ1.2
Level sl Paper 1 Time zone TZ1
Command term Identify Question number 2 Adapted from N/A
2.
[Maximum mark: 1]
18M.1.sl.TZ1.2

What is the molecular formula of a hydrocarbon containing 84.6% carbon by mass with a molar mass of 142.3 g mol−1?

A.     C20H44

B.     C11H10

C.     C10H22

D.     C5H11

[1]

Markscheme

C

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