Chemical Bonding and Molecular Structure MCQs for NEET 2026
Chemical Bonding & Molecular Structure – NEET 2026 MCQs
Which of the following molecules has the maximum dipole moment ?
CO
2
CH
4
NH
3
NF
3
Which one of the following represents all isoelectronic species ?
Na
+
, Cl
−
, O
−
, NO
+
N
2
O, N
2
O
4
, NO
+
, NO
Na
+
, Mg
2+
, O
−
, F
−
Ca
2+
, Ar, K
+
, Cl
−
In the structure of ClF
3
, the number of lone pairs of electrons on central atom ‘Cl’ is
one
two
four
three
BF
3
is planar and electron deficient compound. Hybridization and number of electrons around the central atom, respectively are :
sp
2
and 8
sp
3
and 4
sp
3
and 6
sp
2
and 6
Identify the incorrect statement about PCl
5
.
PCl
5
possesses two different Cl – P – Cl bond angles
All five P – Cl bonds are identical in length
PCl
5
exhibits sp
3
d hybridisation
PCl
5
consists of five P – Cl (sigma) bonds
Which amongst the following is incorrect statement?
The bond orders of O
2
+
, O
2
, O
2
−
and O
2
2−
are 2.5, 2, 1.5 and 1, respectively
C
2
molecule has four electrons in its two degenerate π molecular orbitals
H
2
+
ion has one electron
O
2
+
ion is diamagnetic
Which of the following molecules has "NON ZERO" dipole moment value?
CCl
4
HI
CO
2
BF
3
In which of the following pairs, both the species are not isostructural ?
Diamond, Silicon carbide
NH
3
, PH
3
XeF
4
, XeO
4
SiCl
4
, PCl
4
+
The correct geometry and hybridization for XeF
4
are
octahedral, sp
3
d
2
trigonal bipyramidal, sp
3
d
planar triangle, sp
3
d
3
square planar, sp
3
d
2
In which of the following ionization processes the bond energy increases and the magnetic behaviour changes from paramagnetic to diamagnetic.
O
2
→ O
2
+
C
2
→ C
2
+
NO → NO
+
N
2
→ N
2
+
SUBMIT TEST
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