Why are alkali metals the most electropositive in nature? from

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The s-Block Elements

Short Answer Type

11.

Why alkali metals do not form M²⁺ions?

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12.

Name the radio active element in group 1. How does it resemble with the remaining elements of the group?

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13.

Why alkali metals are normally kept in kerosene oil?

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14.

Why lithium cannot be stored in kerosene?

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15.

Why does lithium form complexes?

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16.

Why are alkali metal ions diamagnetic and colourless?

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17.
Why are alkali metals the most electropositive in nature?

Alkali metals are large in size, have very low ionisation enthalpies and can easily form M⁺ ions. That is the reason alkali metals are the most electropositive in nature

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18.

Find out the oxidation state of sodium in Na₂O₂.

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19. Explain why is sodium less reactive than potassium.

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20.

What happens when Magnesium is burnt in the air ?

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