Arrange the following metal in the increasing order of their reactivity towards water: Zinc, Iron, Magnesium, Sodium.

Iron < Magnesium < Sodium < Zinc

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Iron < Zinc < Magnesium < Sodium

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Magnesium < Iron < Sodium < Zinc

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Sodium < Iron < Magnesium < Zinc

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Solution

The correct option is B Iron < Zinc < Magnesium < Sodium
The order of reactivity of metals are Iron < Zinc < Magnesium < Sodium
because sodium is highyly reactive metal because of +1 valency, followed by magnesium which has +2 valency.

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Similar questions

The figure represents the reactivity of metals then which of the following are correct?

(i) Sodium is more reactive than magnesium.

(ii) Magnesium ad aluminium metals displace lead.

(iii) Magnesium and aluminium metals displace calcium.

(iv) Iron and tin metals can displace magnesium.

(v) Most reactive metal is sodium.

(vi) Gold is least reactive.

(vii) Calcium and zinc metals displace iron.

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