Engineering Chemistry Molecular Orbital Theory Online Exam Quiz
Engineering Chemistry Molecular Orbital Theory GK Quiz. Question and Answers related to Engineering Chemistry Molecular Orbital Theory. MCQ (Multiple Choice Questions with answers about Engineering Chemistry Molecular Orbital Theory
Bond Order of O2, F2, N2 respectively are __________
Options
A : +1, +2, +3
B : +2, +3, +1
C : +2, +1, +3
D : +3, +2, +1
If the sign of the wave function is unchanged when the orbital is reflected about its centre, the orbital is ______________
Options
A : Gerade
B : Ungerade
C : Gerade as well as Ungerade
D : None of the mentioned
Which of the following molecule does not exist due to its zero bond order?
Options
A : H2+
B : He2+
C : He2
D : H2–
Choose the incorrect statement from the following options.
Options
A : In bonding molecular orbital, electron density is low in the region between the nuclei of bonded atoms
B : The energy of antibonding molecular orbital is higher than that of atomic orbitals from which it is formed
C : Every electron in bonding molecular orbital contributes toward stability of the molecule
D : Antibonding takes place when lobes of atomic orbitals have different signs
Arrange the following molecules in the order of increasing stability.
Options
A : N2+ < N2 < N2– < N22-
B : N22- < N2– < N2 < N2+
C : N22- < N2– = N2+ < N2
D : N2 < N2+ = N2– < N22-
Arrange the following molecules in decreasing bond length.
Options
A : O2 > O2– > O2+ > O22-
B : O22- > O2– > O2 > O2+
C : O22- > O2– > O2+ > O2
D : O2– > O2+ > O22- > O2
According to Molecular Orbital Theory, the shape and size of a molecular orbital depends upon _________
Options
A : Shape and size of the combining atomic orbitals
B : Numbers of the combining atomic orbitals
C : Orientation of the combining atomic orbitals
D : All of the mentioned
The filling of molecular orbital takes place according to __________
Options
A : The Aufbau Principle
B : Pauli Exclusion Principle
C : Hund’s rule of maximum multiplicity
D : All of the mentioned
On the basis of molecular orbital theory, select the most appropriate option.
Options
A : The bond order of O2 is 2.5 and it is paramagnetic
B : The bond order of O2 is 1.5 and it is paramagnetic
C : The bond order of O2 is 2 and it is diamagnetic
D : The bond order of O2 is 2 and it is paramagnetic
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