(a) Mention three chemical properties of chlorine (b) What type of reaction is represented by each of the following equations? (i) Mg\(_{(s)}\) + 2HCI\(_{(a...
Question 1 Report
(a) Mention three chemical properties of chlorine
(b) What type of reaction is represented by each of the following equations?
(i) Mg\(_{(s)}\) + 2HCI\(_{(aq)}\) --> Mg\(_2\)Cl\(_{2(aq)}\) + H\(_{2(g)}\)
(ii) Ag\(^+_{aq}\) + Cl\(^-\)\(_{(aq)}\) ----> AgCl\(_{(s)}\)
Answer Details
(a) Three chemical properties of chlorine:
- It is a strong oxidizing agent (e.g. oxidizes Fe2+ to Fe3+).
- It bleaches moist coloured materials (bleaching in the presence of water).
- It displaces less reactive halogens (Br-, I-) from solutions of their salts.
(It also reacts directly with metals and with hydrogen to form chlorides.)
(b) (i) Mg(s) + 2HCl(aq) → MgCl2(aq) + H2(g): a displacement reaction (redox).
(ii) Ag+(aq) + Cl-(aq) → AgCl(s): a precipitation (ionic double-decomposition) reaction.
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