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Chemical Bonding - 16
1.
In the formation of ethyne molecule (C
2
H
2
), each carbon atom under goes SP3 hybridization.
a) True
b) False
2.
Overlapping of partially filled P orbitals on the bond axis give rise to sigma bond.
a) False
b) True
3.
In Pi bonds probability of finding electron is minimum above & below the line joining the two nuclei.
a) False
b) True
4.
A non bonding pair of electron occupies less space on the central atom.
a) False
b) True
5.
Energy of sigma bond is always less than the atomic orbitals which over laped to give this orbital.
a) True
b) False
6.
Paramagnetic nature of oxygen can best be explained on the basis of VB theory.
a) False
b) True
7.
Filling of electrons into the molecular orbitals does not take place according to Aufbau principle, Pauli’s exclusion principle and Hund’s rule.
a) True
b) False
8.
The molecular orbitals differ in electron density distribution around the nuclei.
a) False
b) True
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