Why oxygen shows hydrogen bonding where as chlorine do not ? even though the electronegativity of these are nearly same.

Electron density is the main reason behind this.

In case of oxygen the size is smaller and electroneagativity is high. Due to this the electron density is high in case of oxygen.

but in case of chlorine , the size of chlorine being larger, distributes the electrons in larger field and this decreases the electron density and thus it can not show the Hydrogen bond.

Published by ankushmaster

I am M.Sc (chemistry ) from punjabi university. I am a science teacher with expertise in chemistry, with 8 years of experiance in teaching. i am getting a handsome salary , now i wish to help out the people who need me UNCONDITIONALLY. and I am constantly working on creating a new and easy way of learning the tough things in an effective way. I am constantly working to make authentic and reliable information to be shared with my students and widen the horizons of knowledge.

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