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Atoms of all elements follow the octet rule 

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Important Questions on Chemical Bonding and Molecular Structure

EASY
Nitrogen shows maximum covalency of 4 where as other heavier elements of the group show higher covalency because.
EASY
Valence electrons in the element A are 3 and that in element B are 6. Most probable compound formed from A and B is
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The compound(s) with two lone pairs of electrons on the central atom is (are)
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Which of the following represents the most stable Lewis dot formula for CO32-?
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In ozone molecule, the formal charge on the central oxygen atom is
EASY
Which of the following sets has Lewis acid behaviour for all the components ?
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The oxide which contains an odd electron at the nitrogen atom is
EASY
Which of the following pair contains 2 lone pair of electrons on the central atom?
HARD

Amongst the following, the total number of species NOT having eight electrons around central atom in its outer most shell, is

NH3, AlCl3, BeCl2, CCl4, PCl5