List of top Chemistry Questions on Chemical bonding and molecular structure asked in NEET (UG)

Given below are two statements:
Statement I: A hypothetical diatomic molecule with bond order zero is quite stable.
Statement II: As bond order increases, the bond length increases.
In the light of the above statements, choose the most appropriate answer from the options given below:

Identify the correct orders against the property mentioned:
A. H$_2$O $>$ NH$_3$ $>$ CHCl$_3$ - dipole moment
B. XeF$_4$ $>$ XeO$_3$ $>$ XeF$_2$ - number of lone pairs on central atom 
C. O–H $>$ C–H $>$ N–O - bond length 
D. N$_2$>O$_2$>H$_2$ - bond enthalpy 
Choose the correct answer from the options given below:

Match List-I with List-II :  
List - IMoleculeList - IIBond enthalpy (kJ mol-1)
(A) HCl(I) 435.8
(B) N2(II) 498
(C) H2(III) 946.0
(D) O2 (IV) 431.0
Identify the correct answer from the options given below :
Amongst the following, the total number of species NOT having eight electrons around central atom in its outer most shell, is NH3, AICI3, BeCl2, CCl4, PCI5 :
Consider the following compounds/species:
i) compounds/species
ii) compounds/species
iii)compounds/species
iv)compounds/species
v)compounds/species
vi)compounds/species
vii)compounds/species
The number of compounds/species which obey Huckel's rule is _____

The correct order of energies of molecular orbitals of N2 molecule, is

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

 List - I (Hydrides) List - II (Nature)
(a)MgH2(i)Electron precise
(b)GrH4(ii)Electron deficient
(c)B2H6(iii)Electron rich
(d)HF(iv)Ionic
Which amongst the following is incorrect statement?

BF3 is planar and electron-deficient compound. Hybridization and the number of electrons around the central atom, respectively are

Which of the following molecules is non-polar in nature

Which of the following set of molecules will have zero dipole moment?
Identify a molecule which does not exist.
Consider the following species : $CN^{+} , CN^{-} , NO $ and $CN$ Which one of these will have the highest bond order ?
In the structure of \({ClF_3}\), the number of lone pairs of electrons on the central atom \(Cl\) is:
The species, having bond angles of 120° is
Which one is the wrong statement?
Pick out the correct statement with respect \([Mn(CN)_6]^{3–}\) :
HgCl2 and I2 both when dissolved in water containing I– ions the pair of species formed is
Which of the following pairs of species have the same bond order ?
The hybridizations of atomic orbitals of nitrogen in $NO _{2}^{+}, NO _{3}^{-}$ and $NH _{4}^{+}$ respectively are
Which one of the following compounds shows the presence of intramolecular hydrogen bond?
Among the following, which one is a wrong statement?
Predict the correct order among the following:
Decreasing order of stability of $O_2, O^-_2, O_2^+ $ and ${ O_2^{2-}}$ is :
In which of the following pairs, both the species are not isostructural ?