Covalent Bonding & Lewis Structures: JEE Questions & Solutions

The correct increasing order of C-H (A), C-O (B), C=O (C) and C N (D) bonds in terms of covalent bond length is:

The formal charges on the atoms marked as (1) to (4) in the Lewis representation of HNO3 molecule respectively are

Match the LIST-I with LIST-II: Choose the correct answer from the options given below:

Total number of non-bonded electrons present in NO2^- ion based on Lewis theory is:

Resonance in X2Y can be represented as The enthalpy of formation of X2Y is 80 kJ mol^-1, and the magnitude of resonance energy of X2Y is:

The total number of lone pairs of electrons on oxygen atoms of ozone is.

The number of molecules or ions from the following, which do not have an odd number of electrons, are ——: (A) NO2 (B) ICl4^- (C) BrF3 (D)…

The number of molecules from the following which contain only two lone pair of electrons is: H2O, N2, CO, XeF4, NH3, NO, CO2, F2

The maximum number of lone pairs of electrons on the central atom from the following species is. ClO3^-, XeF4, SF4, and I3^-