Question 38
Question 38 of 40
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Periodic Table
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Older MCQs might not have the typical A, B, C, D choices. They have choices 1, 2, 3, and a combination of them is the answer. Below is the key that maps such combinations to the answer.
A 1, 2 and 3 are correct
B 1 and 2 only are correct
C 2 and 3 only are correct
D 1 only is correct
Topics Tested
11. Organic chemistry
11.1. Formulae, functional groups a...

Define structural isomers as compounds with the same molecular formula, but different structural formulae, including (C_4H_{10}) as (CH_3CH_2CH_2CH_3) and (CH_3CH(CH_3)_2CH_3) and (C_4H_8) as (CH_3CH_2CH=CH_2) and (CH_3CH=CHCH_3)

11. Organic chemistry
11.3. Fuels

State that hydrocarbons are compounds that contain hydrogen and carbon only

11. Organic chemistry
11.2. Naming organic compounds

Name and draw the structural and displayed formulae of unbranched: (a) alkanes (b) alkenes, including but-1-ene and but-2-ene (c) alcohols, including propan-1-ol, propan-2-ol, butan-1-ol and butan-2-ol (d) carboxylic acids containing up to four carbon atoms per molecule