MCQ
The correct order as indicate in each option is
- ✓$CaF_2 > CaCl_2 > CaBr_2$ Melting point
- B$CH_3F > CH_3Cl > CH_3Br$ Dipole moment
- C$n{p_\pi } - np\pi < ns - ns > ns - np$ Extent of overlapping
- D$H_2 > H_2^+ = H_2^-$ Stability
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$2NH_3 + 5F_2\,\,\to \,\, N_2F_4 + 6HF$