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Samples of four metals A, B, C and D were taken and added to a solution individually. The results obtained have been listed as follows. A can displace B from its solution B can displace D from its solution C can displace D from its solution C can displace A from its solution Which is the most reactive metal?
C
B
D
A
C
In metal reactivity series chemistry, a metal that can displace another metal from its salt solution is more reactive than the metal it displaces. Since C displaces A, and A displaces B, and B displaces D, the reactivity order is C > A > B > D, making C the most reactive.
In metal reactivity series chemistry, a metal that can displace another metal from its salt solution is more reactive than the metal it displaces. Since C displaces A, and A displaces B, and B displaces D, the reactivity order is C > A > B > D, making C the most reactive.
This concept is governed by the 'Metal Reactivity Series' (or Activity Series), which is a core foundation in Inorganic Chemistry, closely linked to the electrochemical series used in Battery and Electrolysis studies in the Indian Chemistry syllabus.
A more reactive metal displaces a less reactive metal from its aqueous salt solution.
The order of displacement is dictated by the standard reduction potential of metals.
Higher reactivity correlates with a greater tendency to lose electrons (oxidation).
Option A (C) is the most reactive because it displaces A, which in turn displaces B, which displaces D.
Option B (B) is less reactive than A and C.
Option D (D) is the least reactive as it is displaced by all other metals in this set.
The reactivity series is essential for predicting outcomes of single displacement reactions in metallurgy.
A is correct тАФ C is the most reactive metal as it displaces all other metals in the provided series.
This topic often appears alongside questions on 'Corrosion' and 'Galvanic Cells' in science papers, where the electrode potential (E┬░) helps determine which metal acts as the anode or cathode.
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