ChemistryAdvancedHigh School (11–12)Chemical Bonding › Molecular Orbitals and Hydrogen BondsNEETJEE MainJEE Advanced
Created by StemPy LabMatch each species in List-I with its bond order and magnetic nature in List-II. Use the correct energy order of the molecular orbitals for each species. List-I (Species) A. B. C. D. List-II (Bond order and magnetic nature) I. Bond order 3, diamagnetic II. Bond order 1, paramagnetic III. Bond order 2.5, paramagnetic IV. Bond order 1, diamagnetic
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← Assertion (A): NF₃ has a much smaller dipole moment than NH₃, although both are pyramidal, both have one lone pair on nitrogen, and the N-F bond is more polar than the N-H bond. Reason (R): In NH₃ the orbital dipole of the lone pair points the same way as the resultant of the N-H bond dipoles, but in NF₃ it points opposite to the resultant of the N-F bond dipoles.Two Lewis structures are drawn for H₂SO₄. In structure I, sulphur forms two S=O double bonds and two S-OH single bonds. In structure II, all four bonds from sulphur are single, and the two oxygen atoms without hydrogen carry three lone pairs each. Judged by the formal-charge rule that NCERT uses to choose between Lewis structures, which statement is correct? →
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