Question 27
Question 27 of 40
Question image for Q27
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
7. Equilibria
7.2. Brønsted–Lowry theory of acids...

understand that neutralisation reactions occur when \( H^+( ext{aq}) \) and \( OH^-( ext{aq}) \) form \( H_2O(l) \)

16. Hydroxy compounds
16.1. Alcohols

deduce the presence of a CH\(_3\)CH(OH)- group in an alcohol, CH\(_3\)CH(OH)-R, from its reaction with alkaline I\(_2\)(aq) to form a yellow precipitate of tri-lodomethane and an ion, \( RCO_2^-\)

13. An introduction to AS...
13.1. Formulas, functional groups a...

interpret and use the general, structural, displayed and skeletal formulas of the classes of compound stated in the table on pages 29 and 30