
Answer
Molecular Property Analysis
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Dipole Moments:
H2O (1.85 D) > NH3 (1.47 D) > CHCl3 (≈1.04 D)
✔ Statement A is true. -
Lone-Pair Counts:
XeF2 (3) > XeF4 (2) > XeO3 (1)
✘ Statement B is false. -
Bond Lengths:
O–H (96 pm) < C–H (110 pm) < N–O (136 pm)
✘ Statement C is incorrect. -
Bond Enthalpies:
N≡N (946 kJ·mol−1) > O=O (498 kJ·mol−1) > H–H (436 kJ·mol−1)
✔ Statement D is true.