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Reactivity Series

Arrange the f...

Question

Arrange the following metals in the order of their decreasing reactivity?

$F e, C u, M g, C a, Z n, A g$

C a > Z n > M g > C u > A g > F e

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C a > Z n > C u > M g > A g > F e

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C a > M g > Z n > F e > C u > A g

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C a > M g > C u > Z n > F e > A g

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Solution

The correct option is C $C a > M g > Z n > F e > C u > A g$
Alkali metals are very reactive followed by alkaline earth metals, on moving left to right in a period reactivity decreases, and from top to bottom in a group reactivity increases.

So, Calcium is more reactive among all given elements followed by Magnesium, because calcium is at down in a group and magnesium is above in the group.

Among transition metals, Silver, gold are less-reactive or noble metals, Copper is less reactive due to stable electronic configuration.

Order of reactivity is $C a > M g > Z n > F e > C u > A g$

Option C is correct.

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