21. what is the bond order of the carbon - oxygen bond in cof2?\na. 1.5\nb. 2.5\nc. 2\nd. 3\ne. 1

21. what is the bond order of the carbon - oxygen bond in cof2?\na. 1.5\nb. 2.5\nc. 2\nd. 3\ne. 1
Answer
Explanation:
Step1: Draw Lewis structure
Carbon has 4 valence - electrons, oxygen has 6, and each fluorine has 7. In $COF_2$, carbon is the central atom. The Lewis structure has a double - bond between carbon and oxygen and single - bonds between carbon and each fluorine.
Step2: Determine bond order
The bond order of a bond is the number of bonding pairs of electrons between two atoms. A single bond has a bond order of 1, a double bond has a bond order of 2, and a triple bond has a bond order of 3. In the $C = O$ bond of $COF_2$, the bond order is 2.
Answer:
C. 2