Question

Explain how the following metal are obtain from these compund by reduction process-
1-metal x which is low reactive seris
2- metal y which is middle reactive seris
3- metal z which is high reactive seris

Answer 1

Answer:

Hello!

1. The Metals low in reactivity series are obtained by the method of Heating Alone.

2. Metals in the middle of the reactivity series are obtained by either      Roasting - sulphids are converted to oxides when heated in presence of              oxygen or calcination - carbonates are converted to oxides when heated in absence of oxygen

3. Electrolytic refining

Answer 2

Answer:

(a) Metal X is obtained simply by heating their oxides with carbon. e.g., mercury obtained from

Cinnabar.

(b) Metals in the middle of activity series can be obtained by heating with carbon, e.g.,

(c) Metals high in the reactivity series are obtained by electrolytic reduction of molten ores e.g., in NaCl

NaCl → Na+ + Cl-

Na + e- → Na (at cathode)

2C] → Cl2 + Ze- (at anode)

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