Q24 of 9701_s10_qp_12

Question 24

Question 24 of 40

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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. Group 17

11.4. The reactions of chlorine

describe and interpret, in terms of changes in oxidation number, the reaction of chlorine with cold and with hot aqueous sodium hydroxide and recognise these as disproportionation reactions

18. Carboxylic acids and...

18.2. Esters

describe the hydrolysis of esters by dilute acid and by dilute alkali and heat

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