Question

Arrange the following elements in order of increasing reactivity:

Sodium, magnesium, copper, zinc, aluminium

Answer 1

Copper zinc aluminum magnesium sodium
(min)
- - - - - - - - - - - - - - - - - - - - - - >
Reactivity increases

Answer 2

According to the increasing order of there reactivity, the given elements are arranged as Copper<Zinc<Aluminium<Magnesium<Sodium.

Explanation:

• The given elements such as Sodium, magnesium, copper, zinc, aluminium are metals present in the periodic table.
• As per the reactivity series of elements given in the attachment, when the given elements are arranged, it gives the following order:

1. Sodium
2. Magnesium
3. Aluminium
4. Zinc
5. Copper

• When these metals are arranged in increasing order of there reactivity ability, it gives:

Copper<Zinc<Aluminium<Magnesium<Sodium

• As per the arrangement, among the given elements, copper is least reactive whereas sodium is highly reactive.

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