Nitrogen trifluoride, NF 3 , boils at 129C and is a very weak Lewis base. By contrast,

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Nitrogen trifluoride, NF3, boils at −129°C and is a very weak Lewis base. By contrast, the lower molar mass compound NH3 boils at −33°C and is well known as a Lewis base.

(a) Describe the origins of this very large difference in volatility. 

(b) Describe the probable origins of the difference in basicity.

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Inorganic Chemistry

ISBN: 9780198768128

7th Edition

Authors: Mark Weller, Tina Overton, Jonathan Rourke

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