Chemical Bonding MCQs | Chemical Bonding Multiple Choice Questions(MCQs) & Answers
Questions
2
In the case of alkali metals, the covalent character decreases in the order
Answer: MI > MBr > MCl > MF
3
Which one of the following species does not exist under normal conditions ?
Answer: Be2
4
In a regular octahedral molecule, MX6 the number of X-M-X bonds at 180°
is
Answer: 3
5
The angular shape of ozone molecule (O3) consists of
Answer: 2 sigma and 1 pi-bonds
6
The correct order of increasing bond angles in the following species is
A
Cl2O < ClO2 < ClO−2
B
ClO2 < Cl2O < ClO−2
C
Cl2O < ClO−2< ClO2
D
ClO−2 < ClO2 < Cl2O
Answer: Cl2O < ClO−2< ClO2
8
According to molecular orbital theory which of the following lists rank the nitrogen species in terms of increasing bond order ?
Answer: N2−2 < N−2 < N2
9
In which of the following molecules/ions BF3, NO2-,NH2- and H20, the central atom is sp2 hybridised?
Answer: BF3 and NO2-
11
In PO3−4 ion, the formal charge on each oxygen atom and P-O bond order respectively are
Answer: -0.75, 1.25
12
The correct order of increasing bond angles in the following triatomic species is
Answer: NO2- < NO2 < NO2+
14
AsF5 molecule is trigonal bipyramidal. The hybrid orbitals used by As-atoms for bonding are
Answer: s, px, py, pz, dxy
15
Overlap of which of the following atomic orbitals would be maximum to form the strongest covalent bond.
Answer: 1s-2p (σ)
17
Which of the following statements is correct for compound HgCl2, SnCl2 and F2O have
Answer: HgCl2 is linear while SnCl2 and F2O are V-shaped
