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Combination Reaction

Arrange the f...

Question

Arrange the following metals in the decreasing order of their chemical reactivity placing the most active first. The metals are Cu, Mg, Fe, Na, Ca, Zn.

A

Na > Ca > Mg > Zn > Fe > Cu (least active)

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B

Na > Ca > Mg > Zn > Cu > Fe (least active)

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C

Na > Mg > Ca > Zn > Fe > Cu (least active)

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D

Na > Mg > Zn > Ca > Fe > Cu (least active)

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Solution

The correct option is A Na > Ca > Mg > Zn > Fe > Cu (least active)
The decreasing order of chemical reactivity is given below.
(most active) Na > Ca > Mg > Zn > Fe > Cu (least active)

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