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If A displaces B, and C displaces A, then the order of reactivity is:
B > A > C
C > A > B
C > B > A
A > B > C
C > A > B
In a displacement reaction, a more reactive metal displaces a less reactive metal from its salt solution. Since C displaces A, C is more reactive than A, and since A displaces B, A is more reactive than B, resulting in the reactivity order C > A > B.
In a displacement reaction, a more reactive metal displaces a less reactive metal from its salt solution. Since C displaces A, C is more reactive than A, and since A displaces B, A is more reactive than B, resulting in the reactivity order C > A > B.
The Reactivity Series of Metals is a fundamental chemical principle in the NCERT Class 10 Science curriculum, serving as the basis for understanding metallurgical extraction processes.
A displacement reaction follows the order of the metal activity series.
Potassium (K) is the most reactive metal, while Gold (Au) is the least reactive in the standard series.
Hydrogen is often included in the reactivity series as a reference point for non-metals.
The reactivity series is established based on the standard electrode potential of metals.
Metals above Hydrogen in the series can displace it from dilute acids.
Option B is correct because the hierarchy of displacement confirms C is the most reactive and B is the least reactive among the three elements.
Option A is incorrect as it represents the reverse of the actual reactivity order.
B is correct тАФ The reactivity order is determined by the ability of one element to displace another from a compound, establishing C > A > B.
This concept is frequently tested alongside the 'Electrochemical Series' in Chemistry and the 'Extraction of Metals' chapter, which is vital for understanding mineral resource exploitation in Geography.
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