11 grade chemistry others
Which molecule has a 120 degree bond angle?
Which molecule has a 120 degree bond angle?
1 Answer
Askiitians Tutor Team
Approved Tutor Answer10 Months agoThe molecule that typically exhibits a 120-degree bond angle is trigonal planar in shape. A common example of this is boron trifluoride (BF3).
Characteristics of Trigonal Planar Molecules
In a trigonal planar arrangement, three atoms are bonded to a central atom, all lying in the same plane. This geometry arises from the repulsion between the bonding pairs of electrons, which positions them as far apart as possible.
Examples of Molecules with 120-Degree Angles
- Boron trifluoride (BF3)
- Ethylene (C2H4)
- Formaldehyde (CH2O)
These molecules demonstrate the characteristic bond angles due to their specific arrangements of atoms and electron pairs.
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