Question 21
Question 21 of 40
Question image for Q21
Periodic Table
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No letter options?
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
13. An introduction to AS...
13.4. Isomerism: structural isomeri...

describe geometrical (cis/trans) isomerism in alkenes, and explain its origin in terms of restricted rotation due to the presence of π bonds

14. Hydrocarbons
14.2. Alkenes

describe the use of aqueous bromine to show the presence of a C=C bond