Question

Why is hydrogen more reactive to other halogens except iodine?

Answer 1

Hii There!!!

Halogens are more reactive than hydrogen because, in case of halogens they have 7 valence electrons in their valence shell so they acquire 1 more electron to complete their octet attaining noble / inert gas configuration.

So, they show a chemical tendency by forming bonds and taking the electron from other atoms to attain a full set.

Therefore , it is highly reactive causing organic compounds and hydrogen gas to explode while reacting.

↪️ In case of halogen electron-electron repulsion is more as comapre to electron-electron repulsion between hydrogen atoms. So, halogens are more reactive.

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Hope it helps.

Answer 2

hala mate,

This reactivity is due to high electronegativity and high effective nuclear charge.

hope it helps!!!