What is the angle between electron groups in the trigonal planar electron geometry?

1 Answer
Jun 13, 2016

Answer:

If I can circumscribe an equilateral triangle inside a circle, what do you think it should be?

Explanation:

For #MX_3#, in which #M# has trigonal planar coordination, #/_X-M-X# #=# #120^@#.

Examples of real molecules that assume this geometry are #BCl_3#, and #AlCl_3#.