Question

In: Chemistry

Compare the covalent bond with hydrogen bond.

Compare the covalent bond with hydrogen bond.

Solutions

Expert Solution

Covalent bond is formed by sharing of the pair of electrons. This bond is formed in order to complete the duplete / octet.

For example HCl

Here H has 1 electrons in outer shell and it needs 1 electrons to complete its duplet. Cl in the other hand also need 1 electrons to complete its octet and when H share its one electrons with Cl then both will have complete duplete and octet respectively.

Structure of HCl

H- bond :

This is the bond formed between more electronegative atoms ( C , N and F) and H attached to these electronegative atoms.

This bond is nothing but the poor electrostatic force of attraction which appears due to partial positive and partial negative charges on H bonded to the electronegative atom and electronegative atoms respectively.

For example H bonding in two water molecules.

Structure:

As compare to covalent bond H- bond is less strong.


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