The correct bond order of $\mathrm{B}-\mathrm{F}$ bond in $\mathrm{BF}_3$ molecule is

• A

  1
• B

  $1 \frac{1}{2}$
• C

  2
• Correct answer
  D

  $1 \frac{1}{3}$

Solution

B.O $=\frac{2+1+1}{3}=1 \frac{1}{3}$

Hence, the correct answer is option: 'D'.