Class 11 Chemistry: Advanced Chemical Bonding

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Q1 · MCQ · 1 mark
Which of the following statements about the molecular orbital theory (MOT) of nitric oxide (NO) is incorrect?
Q2 · MCQ · 1 mark
Consider the species ICl2-, ICl2, and ICl2+. Which of the following statements regarding their shapes and hybridisation is correct?
Q3 · MCQ · 1 mark
Which of the following molecules has a non-zero dipole moment despite having non-polar bonds?
Q4 · MCQ · 1 mark
The correct order of increasing s-character in the hybrid orbitals of the central atom in the following molecules/ions: C2H2, C2H4, C2H6, respectively, is:
Q5 · MCQ · 1 mark
According to Fajan's rules, which among the following ionic compounds would be expected to have the highest covalent character?
Q6 · FILL · 1 mark
The presence of unshared electron pairs on the central atom causes distortion from ideal geometries, leading to a decrease in bond angles. This phenomenon is explained by the ______ theory.
Q7 · FILL · 1 mark
In a pi (π) bond, the atomic orbitals overlap ______ to the internuclear axis.
Q8 · FILL · 1 mark
The bond order of a molecule calculated using Molecular Orbital Theory directly correlates with its bond ______.
Q9 · SHORT · 2 marks
Explain why XeF2 has a linear geometry despite the central atom having three lone pairs.
Q10 · SHORT · 2 marks
Compare the bond strengths of O2 and O2- using molecular orbital theory.
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