Question

Find a molecule (something with covalent bonds) and determine its melting and boiling point.  Draw the lewis structure...


Find a molecule (something with covalent bonds) and determine its melting and boiling point. 

Draw the lewis structure for the molecule and define all the intermolecular forces present in the molecule. 

Answer

A molecule with covalent bonds and melting and boiling point has to be given.

The lewis structure of the molecule is drawn and all the intermolecular forces present in the molecule is given.

 

Let we consider the molecule Ammonia (NH3)

Melting point  - 77.73°C

Boiling point   - 33.34°C

The Lewis structure of ammonia can be given as

Chemistry homework question answer, step 2, image 1

Ammonia is a polar molecule. The intermolecular forces present in ammonia are dipole-dipole interactions and London dispersion forces.

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