Question at position 2 A nitrogen-oxygen bond in NO2+ has __________bond order, _________bond length, and ____________bond energy than a nitrogen-oxygen bond in NO2–. a lower, a longer, a greater a higher, a shorter, a greater a higher, a longer, greater a lower, a longer, a smaller the same, the same, the same

Question

Question at position 2 A nitrogen-oxygen bond in NO2+ has __________bond order, _________bond length, and ____________bond energy than a nitrogen-oxygen bond in NO2–. a lower, a longer, a greater a higher, a shorter, a greater a higher, a longer, greater a lower, a longer, a smaller the same, the same, the same

BlackTom AI · Accepted Answer

To tackle this question, I’ll compare NO2+ and NO2− in terms of bond order, bond length, and bond energy.
Option 1: 'a lower, a longer, a greater' would imply NO2+ has a weaker, longer, and stronger bond than NO2−, which contradicts the general trend that removing electrons from a molecule (forming cation) often increases bond order and shortens the bond, while strengthening it.
Option 2 (the correct one): 'a higher, a shorter, a greater' aligns with expectations for a species with a higher bond order: removing an electron reduces electron-electron repulsion and can increase bond order, pulling atoms closer together (shorter bond length) and increasing bond dissociation energy (greater bond energy).
Option 3: 'a higher, a longer, greater' mixes a higher bond order with a longer bond length, which is inconsistent because higher bond order typically corresponds to shorter bonds, not longer ones.
Option 4: 'a lower, a longer, a smaller' suggests all three properties move in the opposite direction to the observed trend for NO2+ vs NO2− and is thus implausible given electron removal from NO2− to form NO2+.
Option 5: 'the same, the same, the same' claims no change in bond order, length, or energy, which contradicts the fundamental electronic changes that accompany formation of NO2+ relative to NO2−.
In summary, the logic that NO2+ has a higher bond order, a shorter bond length, and greater bond energy than NO2− follows from the effect of electron removal on bonding: increased bond order tightens the bond, reducing length and increasing the energy required to break it.

Question at position 2 A nitrogen-oxygen bond in NO2+ has ______bond order, _bond length, and ________bond energy than a nitrogen-oxygen bond in NO2–. a lower, a longer, a greater a higher, a shorter, a greater a higher, a longer, greater a lower, a longer, a smaller the same, the same, the same

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