EASY
11th CBSE
IMPORTANT
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In which of the following molecule/ion all the bonds are not equal?

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Important Questions on Chemical Bonding and Molecular Structure

MEDIUM
11th CBSE
IMPORTANT
In which of the following substances have the strongest hydrogen bond ?
EASY
11th CBSE
IMPORTANT
If the electronic configuration of an element is 1s2 2s2 2p6 3s2 3p6 3d2 4s2, the four electrons involved in chemical bond formation will be_____.
EASY
11th CBSE
IMPORTANT
Which of the following angle corresponds to sp2 hybridisation?
EASY
11th CBSE
IMPORTANT

The electronic configurations of three elements, A, B and C are given below. Answer the question on the basis of these configurations.

A 1s2 2s2 2p6    
B 1s2 2s2 2p6 3s2 3p3
C 1s2 2s2 2p6 3s2 3p5

Stable form of A may be represented by the formula :

MEDIUM
11th CBSE
IMPORTANT

The electronic configurations of three elements. A, B and C are given below. Answer the question on the basis of these configurations.

A 1s2 2s2 2p6    
B 1s2 2s2 2p6 3s2 3p3
C 1s2 2s2 2p6 3s2 3p5

Stable form of C may be represented by the formula :

MEDIUM
11th CBSE
IMPORTANT

The electronic configurations of three elements, A, B and C are given below. Answer the question on the basis of these configurations.

A 1s2 2s2 2p6    
B 1s2 2s2 2p6 3s2 3p3
C 1s2 2s2 2p6 3s2 3p5

The molecular formula of the compound formed from B and C will be

EASY
11th CBSE
IMPORTANT
The electronic configurations of three elements, A, B and C are given below. Answer the question on the basis of these configurations.
A 1s2 2s2 2p6    
B 1s2 2s2 2p6 3s2 3p3
C 1s2 2s2 2p6 3s2 3p5
The bond between B and C will be:
EASY
11th CBSE
IMPORTANT

Which of the following order of energies of molecular orbitals of N2 is correct?