Question 17
Question 17 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
9. The Periodic Table: ch...
9.2. Periodicity of chemical proper...

describe, explain, and write equations for, the reactions of the chlorides NaCl, MgCl₂, Al Cl₃, SiCl₄, PCl₆ with water including the likely pHs of the solutions obtained

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

12. Nitrogen and sulfur
12.1. Nitrogen and sulfur

describe and explain: (a) the basicity of ammonia, using the Brønsted–Lowry theory (b) the structure of the ammonium ion and its formation by an acid–base reaction (c) the displacement of ammonia from ammonium salts by an acid–base reaction