Explain the action of halogen with alkali metals.

1.	Explain the action of halogen with alkali metals.
Answer» Alkali metals combine readily with halogens to form ionic halides M⁺ X^- . Reactivity of alkali metals with halogen increases down the group because of corresponding increase in electropositive character. 2M + X₂ → 2M⁺X^- (M = Li, Na, K, Rb and Cs) (X F, Cl, Br and I)

Answer»

Alkali metals combine readily with halogens to form ionic halides M⁺ X^- . Reactivity of alkali metals with halogen increases down the group because of corresponding increase in electropositive character.

2M + X₂ → 2M⁺X^- (M = Li, Na, K, Rb and Cs) (X F, Cl, Br and I)

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Explain the action of halogen with alkali metals.

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