DP Chemistry (last assessment 2024)

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Question 18M.3.hl.TZ1.b

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Date May 2018 Marks available [Maximum mark: 1] Reference code 18M.3.hl.TZ1.b
Level hl Paper 3 Time zone TZ1
Command term State Question number b Adapted from N/A
b.
[Maximum mark: 1]
18M.3.hl.TZ1.b

One suggestion for the reduction of carbon footprints is the use of biofuels, such as vegetable oils, as a substitute for petroleum based fuels.

State the formula of a fuel that might be produced from the vegetable oil whose formula is shown.

                                                               M18/4/CHEMI/HP3/ENG/TZ1/13,b

[1]

Markscheme

R–CO–O–CH3 / RCOOMe

OR

R–CO–O–C2H5 / RCOOEt

[1 mark]

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