Question 21
Question 21 of 40
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Periodic Table
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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
11.1. Physical properties of the Gr...

describe the colours and the trend in volatility of chlorine, bromine and iodine

11. Group 17
11.3. Some reactions of the halide...

describe and explain the reactions of halide ions with: (a) aqueous silver ions followed by aqueous ammonia (the formation and formula of the \([Ag(NH_3)_2]^+\) complex is not required) (b) concentrated sulfuric acid, to include balanced chemical equations

11. Group 17
11.2. The chemical properties of th...

describe the relative reactivity of the elements as oxidising agents