Arrange the following metals are in decreasing order of their reactivity towards water: zn, fe, mg, na. Give reason for your answer
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Na>Mg>Fe>Zn
Reactivity decreases from left to right in the periodic table.
You can also see this in the Metal reactivity table.
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Answer:
Na>Mg>Fe>Zn
Sodium is the most reactive metal and reacts violently with cold water.
Zinc is the least reactive metal as it reacts neither with cold or hot water but react with steam to form zinc oxide and hydrogen gas.
Explanation:
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