Given below are statements about some molecules/ions.
Identify the CORRECT statements.
A. The dipole moment value of $\mathrm{NF}_3$ is higher than that of $\mathrm{NH}_3$.
B. The dipole moment value of $\mathrm{BeH}_2$ is zero.
C. The bond order of $\mathrm{O}_2{ }^{2-}$ and $\mathrm{F}_2$ is same.
D. The formal charge on the central oxygen atom of ozone is -1 .
E. In $\mathrm{NO}_2$, all the three atoms satisfy the octet rule, hence it is very stable.
Choose the correct answer from the options given below: