Question 5
Question 5 of 40
Question image for Q5
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...
13.1. Formulas, functional groups a...

deduce the molecular and/or empirical formula of a compound, given its structural, displayed or skeletal formula

21. Organic synthesis
21.1. Organic synthesis

analyse a given synthetic route in terms of type of reaction and reagents used for each step of it, and possible by-products

18. Carboxylic acids and...
18.1. Carboxylic acids

describe: (a) the redox reaction with reactive metals to produce a salt and H\(_2\)(g) (b) the neutralisation reaction with alkalis to produce a salt and H\(_2\)O(l) (c) the acid–base reaction with carbonates to produce a salt and H\(_2\)O(l) and CO\(_2\)(g) (d) esterification with alcohols with concentrated H\(_2\)SO\(_4\) as catalyst (e) reduction by LiAlH\(_4\) to form a primary alcohol