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05/11/2020 5:12 pm
Topic starter
(a) Explain with an example how the metal (X) which is low in reactivity series and metal (Y) which is high in the reactivity series are obtained from their compounds by reduction process.
(b) Write the electronic configurations of sodium and chlorine. Show the formation of sodium chloride from sodium and chlorine by the transfer of electrons.
(c) List any two observations when a highly reactive metal is dropped in water.
1 Answer
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05/11/2020 5:14 pm
(a) ‘X’ is obtained by chemical reduction.
‘Y’ is obtained by electrolytic reduction.
(b) Na (2, 8, 1)
Cl (2, 8, 7)
Na → Na+ + e-
Cl + e- → Cl-
(c) (i) Metal will catch fire.
(ii) Alkali solution is formed which turns red litmus blue.