Question 35
Question 35 of 40
Question image for Q35
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
3. Chemical bonding
3.2. Ionic bonding

describe ionic bonding including the examples of sodium chloride, magnesium oxide and calcium fluoride

2. Atoms, molecules and s...
2.3. Formulas

understand and use the terms anhydrous, hydrated and water of crystallisation

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

recall the reactions by which carboxylic acids can be produced: (a) oxidation of primary alcohols and aldehydes with acidified \( K_2Cr_2O_7 \) or acidified \( KMnO_4 \) and refluxing (b) hydrolysis of nitriles with dilute acid or dilute alkali followed by acidification (c) hydrolysis of esters with dilute acid or dilute alkali and heat followed by acidification