NEET 2024 Chemistry question on Periodic Classification

1. A.
   Dipole moment of $\mathrm{NF_3}$ is greater than that of $\mathrm{NH_3}$.
2. B.
   Three canonical forms can be drawn for $\mathrm{CO_3^{2-}}$ ion.
3. C.
   Three resonance structures can be drawn for ozone.
4. D.
   $\mathrm{BF_3}$ has non-zero dipole moment.

[NEET 2024]