Question 37
Question 37 of 40
Question image for Q37
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
21. Organic synthesis
21.1. Organic synthesis

devise multi-step synthetic routes for preparing organic molecules using the reactions in the syllabus

19. Nitrogen compounds
19.2. Nitriles and hydroxynitriles

recall the reactions by which hydroxynitriles can be produced: (a) the reaction of aldehydes and ketones with HCN, KCN as catalyst, and heat