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NEET UG CHEMISTRY MCQ: CHEMICAL BONDING & MOLECULAR STRUCTURE

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Understanding +4 | -1
Which of the following is drawback of the octet theory?
I. It is clear that octet rule is based upon the chemical inertness of noble gases. However, some noble gases (for example xenon and krypton) also combine with oxygen and fluorine to form a number of compounds like XeF2,KrF2,XeOF2\mathrm{XeF}_2, \mathrm{KrF}_2, \mathrm{XeOF}_2 etc.
II. This theory does not account for the shape of molecules.
III. It does not explain the relative stability of the molecules being totally silent about the energy of a molecule.
Choose the correct statements
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Correct option: D
All of these
Option D (All of these) is correct because all three statements accurately describe the limitations and drawbacks of the octet theory.

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