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Assuming molecular orbital diagrams similar to that of $O_{2}$ , use $MO$ theory to predict the proper ordering of bond energies of the following pairs.

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Important Questions on Chemical Bonding

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Chemistry>Inorganic Chemistry>Chemical Bonding>Molecular Orbital Theory

Which of the following has unpaired electron(s)?

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Chemistry>Inorganic Chemistry>Chemical Bonding>Molecular Orbital Theory

Two pi and half sigma bonds are present in:

EASY

Chemistry>Inorganic Chemistry>Chemical Bonding>Molecular Orbital Theory

Which one of the following pairs of species has the same bond order?

HARD

Chemistry>Inorganic Chemistry>Chemical Bonding>Molecular Orbital Theory

Among the following molecules/ ions,

$C_{2}^{2 -}, N_{2}^{2 -}, O_{2}^{2 -}, O_{2}$

Which one is diamagnetic and has the shortest bond length?

EASY

Chemistry>Inorganic Chemistry>Chemical Bonding>Molecular Orbital Theory

Which of the following species is not paramagnetic?

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Chemistry>Inorganic Chemistry>Chemical Bonding>Molecular Orbital Theory

The colour of the

X_{2}

molecules of group 17 elements changes gradually from yellow to violet down the group. This is due to -

EASY

Chemistry>Inorganic Chemistry>Chemical Bonding>Molecular Orbital Theory

Which of the following is paramagnetic?

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Chemistry>Inorganic Chemistry>Chemical Bonding>Molecular Orbital Theory

The correct order of bond energy (in

kJ / mol

) of the following molecules is

HARD

Chemistry>Inorganic Chemistry>Chemical Bonding>Molecular Orbital Theory

In which of the following processes, the bond order has increased and paramagnetic character has changed to diamagnetic?

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Chemistry>Inorganic Chemistry>Chemical Bonding>Molecular Orbital Theory

Consider the following species:

(i)

O_{2}^{2 -}

(ii)

C O^{+}

(iii)

O_{2}^{+}

Among the following, sigma bond alone is present in -

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Chemistry>Inorganic Chemistry>Chemical Bonding>Molecular Orbital Theory

Among the following, the molecule expected to be stabilized by anion formation is:

C_{2}, O_{2}, N O, F_{2}

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Chemistry>Inorganic Chemistry>Chemical Bonding>Molecular Orbital Theory

Consider the following species,

{CN}^{+}, {CN}^{- 1}, NO and CN

Which one of these will have the highest bond order?

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Chemistry>Inorganic Chemistry>Chemical Bonding>Molecular Orbital Theory

Among the following species, the diamagnetic molecule is:

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Chemistry>Inorganic Chemistry>Chemical Bonding>Molecular Orbital Theory

According to molecular orbital theory, which of the following molecule will not be available?

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Chemistry>Inorganic Chemistry>Chemical Bonding>Molecular Orbital Theory

The bond order and the magnetic characteristic of

{C N}^{-}

are

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Chemistry>Inorganic Chemistry>Chemical Bonding>Molecular Orbital Theory

Identify a molecule which does not exist.

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Chemistry>Inorganic Chemistry>Chemical Bonding>Molecular Orbital Theory

Of the species,

NO, {NO}^{+}, {NO}^{2 +}

and

{NO}^{-},

the one with minimum bond strength is :

EASY

Chemistry>Inorganic Chemistry>Chemical Bonding>Molecular Orbital Theory

The diamagnetic species is:

HARD

Chemistry>Inorganic Chemistry>Chemical Bonding>Molecular Orbital Theory

According to Molecular Orbital Theory,

EASY

Chemistry>Inorganic Chemistry>Chemical Bonding>Molecular Orbital Theory

According to molecular orbital theory, which of the following is true with respect to

{Li}_{2}^{+}

and

{Li}_{2}^{-}

Assuming molecular orbital diagrams similar to that of O2, use MO theory to predict the proper ordering of bond energies of the following pairs.

Important Questions on Chemical Bonding

Learn and Prepare for any exam you want !

Assuming molecular orbital diagrams similar to that of $O_{2}$ , use $MO$ theory to predict the proper ordering of bond energies of the following pairs.