HARD
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For diatomic molecules, the correct statement(s) about the molecular orbitals formed by the overlap of two orbitals is(are)
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Important Questions on Chemical Bonding and Molecular Structure
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The correct bond order in the following species is:
EASY
After understanding the assertion and reason, choose the correct option.
Assertion: In the bonding molecular orbital (MO) of electron density is increased between the nuclei.
Reason: The bonding MO is , which shows destructive interference of the combining electron waves.
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Which one of the following molecules is expected to exhibit paramagnetic behaviour?
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Which of the following is paramagnetic?
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Two pi and half sigma bonds are present in:
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Which of the following species is not paramagnetic?
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In which of the following pairs of molecules/ions, both the species are not likely to exist?
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Which one of the following molecules is paramagnetic?
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In which of the following processes, the bond order has increased and paramagnetic character has changed to diamagnetic?
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Decreasing order of stability of and is:
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Which one of the following pairs of species has the same bond order?
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Match List-I with List-II
| List-I | List-II | ||
| A | I | Dipole moment | |
| B | II | Bonding molecular orbital | |
| C | III | Anti-bonding molecualr orbital | |
| D | IV | Bond order |
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Which one of the following properties is not shown by NO ?
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Which of the following options represents the correct bond order?
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Which of the following has unpaired electron(s)?
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Assuming mixing is NOT operative, the paramagnetic species among the following is
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According to molecular orbital theory, which of the following molecule will not be available?
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Stability of the species increases in the order of
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According to Molecular Orbital Theory,
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How many nodes are there in the anti-bonding molecular orbital formed by two atomic orbitals?
