Question

1 Arrange the metal Al, Cu, Fe, PB, Mg ,Zn and Na in descending order of their reactivity towards oxygen

Answer 1

Descending order of metal of their reactivity towards oxygen Na, Mg, Al, Zn, Fe, Pb, Cu.

Explanation:

• The metals reactivity in the periodic table decreases from left to right and top to bottom as well.

• The reactivity of the metals depends on their respective position in the periodic table.

• The metals when reacts with oxygen forms their respective metal oxides.

• The metals which are at top left will react more with the oxygen than the metals that are at bottom right, like the metal Gold which is  present at bottom will react very less but the sodium metal which is present at the top will react rapidly.

• Depending on the reactivity towards oxygen, metals will burn with some characteristics.
• The metals which reacts more to oxygen will burn vigorously.

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