Question

How to arrange given elements in the decreasing order of their reactivity Al,K,Ca,Ag?

Answer 1

Answer:

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Explanation:

potassium (K)

Calcium (Ca)

Aluminium (Al)

Siliver (Ag )

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Answer 2

Answer:

K > Ca > Al > Ag

Explanation:

Potassium is the most reactive while silver is the least.

Calcium is more reactive then Aluminium and Less reactive than potassium.

Refer to the reactivity series.