Facial And Meridional Stereoisomers (MA3B3 type complexes)
In this video, it's proven that there are only two stereoisomers possible with MA3B3 type structure and none of them is optically active. It's recommended to go through the following two videos, in case one has trouble understanding the proof.
1. Chirality with simple objects : • Chirality with simple objects (English)
2. Chirality with molecules: • Chirality with molecules