Question 19
Question 19 of 40
Question image for Q19
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...

explain what is meant by a chiral centre and that such a centre gives rise to two optical isomers (enantiomers)

13. An introduction to AS...
13.3. Shapes of organic molecules;...

describe organic molecules as either straight-chained, branched or cyclic