h16. The correct sequence of decreasing order of reactivity series of metals among the following is
A. Zn <Fe< mg
B. Na< .mg<Zn.
C. Na< Zn< Fe<mg.
D. Na< Mg<zn<Fe
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Explanation:
The order of reactivity of metals is as follows, Potassium > Sodium > Lithium > Calcium > Magnesium > Aluminium > Zinc > Iron > Copper > Silver > Gold.
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Metals are arranged in a series according to their chemical reactivity.
The arrangement of metals in a vertical column in the order of decreasing reactivities is called the reactivity series (or activity series) of metals.
The reactivity series is some common metals is given in Attachment.
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