MEDIUM
Earn 100

Atoms of all elements follow the octet rule
(a)True
(b)False

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Important Questions on Chemical Bonding and Molecular Structure
EASY
Nitrogen shows maximum covalency of where as other heavier elements of the group show higher covalency because.

EASY
Valence electrons in the element are and that in element are . Most probable compound formed from and is

EASY
What is the nature of the bond between and in

EASY
Draw the electron dot structure of the following:

MEDIUM
The compound(s) with two lone pairs of electrons on the central atom is (are)

EASY
Which of the following molecule does not obey octet rule?

MEDIUM
Which of the following represents the most stable Lewis dot formula for ?

EASY
The ion that is isoelectronic with is

EASY
Total number of lone pair of electrons in ion is:

MEDIUM
In ozone molecule, the formal charge on the central oxygen atom is

MEDIUM
In which pair of ions do both the species contain bond?

EASY
Which of the following sets has Lewis acid behaviour for all the components ?

EASY
The correct structure of tribromooctaoxide is:

MEDIUM
Which of the following is a Lewis acid?

MEDIUM
The formal charge on central oxygen atom in ozone is

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The oxide which contains an odd electron at the nitrogen atom is

MEDIUM
is well known but is not.Because,

EASY
Which of the following pair contains 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

EASY
Which compound has both covalent as well as co-ordinate bonds?

