metal x is present below Y in reactivity series . when y reacts with x it displaces it . another metal z , which is present above Y displaces both x and y . write generalised equation of all reactions of the salts are sulphates or chlorides
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In order to determine whether a single replacement (displacement) reaction will occur, we look at the activity series for metals. If metal X will replace (displace) metal Y, then metal X must be above metal Y in the activity series for metals. If metal X is lower than metal Y, there will be no reaction.
For example, copper (Cu) is higher on the reactivity series than silver (Ag). Therefore, copper will replace (displace) silver in a single replacement (displacement) reaction.
Cu
(s)
+
2AgNO
3
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→
2Ag
(s)
+
Cu(NO
3
)
2
(aq)
However, the reverse reaction will not take place because silver is below copper in the reactivity series.
Ag
(s)
+
Cu(NO
3
)
2
(aq)
→
no reaction
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