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Linear Combination of Atomic Orbitals

Which of the ...

Question

Which of the following is incorrect for Bonding Molecular Orbitals?

A

They are formed by the additive effect of the atomic orbitals.

= +

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B

They are formed when the lobes of the combining orbitals have the same sign.

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C

These molecular orbitals are represented by and .

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D

The electron density decreases in the region between the nuclei of the atoms.

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Solution

The correct option is D
The electron density decreases in the region between the nuclei of the atoms.

Let's look at the characteristics of Bonding Molecular orbitals and Anti bonding molecular orbitals.

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Similar questions

Q. According to MOT (Molecular Orbital Theory), the molecular orbitals are formed by mixing of atomic orbitals through LCAO (linear combination of atomic orbitals). The correct statement(s) about molecular orbitals is/are:
Statement (a): bonding of molecular orbitals are formed by the addition of wave-functions of atomic orbitals of the same phase.
Statement (b): anti-bonding molecular orbitals are formed by subtraction of wave-functions of atomic orbitals of the same phase.
Statement (c): non-bonding molecular orbitals do not take part in bond formation because they belong to inner shells.
Statement (d): anti-bonding molecular orbitals provide stability to molecules while bonding molecular orbitals make the molecules unstable.

Q. According to MOT, two atomic orbitals overlap resulting in the formation of molecular orbitals. Number of atomic orbitals overlapping together is equal to the molecular orbital formed. The two atomic orbital thus formed by LCAO (linear combination of atomic orbital) in the same phase or in the different phase are known as bonding and antibonding molecular orbitals respectively. The energy of bonding molecular orbital is lower than that of the pure atomic orbital by an amount

Δ

. This known as the stabilization energy. The energy of antibonding molecular orbital is increased by

Δ^{'}

(destabilization energy).
Which of the following statement(s) is(are) true:

Q. According to MOT, two atomic orbitals overlap resulting in the formation of molecular orbitals. Number of atomic orbitals overlapping together is equal to the molecular orbital formed. The two atomic orbital thus formed by LCAO (linear combination of atomic orbital) in the same phase or in the different phase are known as bonding and antibonding molecular orbitals respectively. The energy of bonding molecular orbital is lower than that of the pure atomic orbital by an amount

Δ

. This known as the stabilization energy. The energy of antibonding molecular orbital is increased by

Δ^{'}

(destabilization energy).
How many nodal plane(s) is/are present

σ_{(s and p)}

in bonding molecular orbital?

Q. The conditions for the combination of atomic orbitals to form molecular orbitals are stated below. Mark the incorrect condition mentioned here.

Q. When the ls orbitals of two hydrogen atoms combine to form a hydrogen molecule, which molecular orbitals are formed?

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