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In then electrons in bonding and anti-bonding orbitals are
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Important Questions on Chemical Bonding and Molecular Structure
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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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Stability of the species increases in the order of
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Which one of the following molecules is expected to exhibit paramagnetic behaviour?
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Which of the following species is not paramagnetic?
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A homonuclear diatomic gas molecule shows -electron magnetic moment. The one-electron and two-electron reduced species obtained from above gas molecule can act as both oxidising and reducing agents. When the gas molecule is one-electron oxidised the bond length decreases compared to the neutral molecule. The gas molecule is
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Which of the following options represents the correct bond order?
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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 properties is not shown by NO ?
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Two pi and half sigma bonds are present in:
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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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The diamagnetic species is:
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Which of the following show maximum bond-order?
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Which of the following is paramagnetic?
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The correct bond order in the following species is:
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Which one of the following pairs of species has the same bond order?
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Which one of the following molecules is paramagnetic?
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Which of the following has unpaired electron(s)?
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Decreasing order of stability of and is:
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Bond order of and are respectively
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Consider the following species:
(i)
(ii)
(iii)
Among the following, sigma bond alone is present in -
