Inorganic Chemistry MCQ with Answers - 30 Multiple Choice Questions with Answers in Inorganic Chemistry
Inorganic Chemistry MCQ with Answers - 30 Multiple Choice Questions with Answers in Inorganic Chemistry
1. Which one of the following has
the largest lattice energy?
a.
LiF (Lithium Fluoride)
b.
NaF
c. CaF2
d.
AlF3
e.
KF
2.
Which one of the following has the
largest lattice energy?
a.
NaF
b.
KF
c. LiI
d.
NaI
e.
KCl
3. It was expected that Li should have the minimum tendency to lose electron
and thus its reducing nature should be minimum but actually Li has the highest
oxidation potential in aqueous medium due to:
a.
High ionization potential
b.
High hydration energy
c.
Small ionic radius
d.
High sublimation energy
e.
High polarizing power
4. Hydrides are formed when alkali metals
react with
a.
Water
b.
Hydrogen
c.
Ammonia
d.
None
e.
Halides
5.The reducing power of a metal is
expressed in terms of
a.
Ionization energy
b.
Electron affinity
c.
Hydration energy
d.
Oxidation potential
e.
Sublimation energy
6. Which of the following statements is
correct?
a.
Polarizing power increase from up to down
in the groups
b.
Polarizing power decrease from up to down
in the groups
c.
Polarizing power depend on the size of
the anion
d.
Polarizing power increase if the cation
contain noble gas configuration
e.
Polarizing power decrease from left to
right in the periods
7. The correct order of the lattice
energies of the following compounds is
a.
KBr>NaBr>CaO>MgO>LiF
b.
LiF>NaBr>MgO>KBr>CaO
c.
CaO>MgO>LiF>NaBr>KBr
d.
MgO>CaO>LiF>NaBr>KBr
e.
MgO>CaO>NaBr>LiF>KBe
8. Which one of the following hydroxides
has amphoteric behavior?
a.
KOH (Potassium Hydroxide)
b.
CsOH (Cesium Hydroxide)
c.
Al(OH)3
d.
B(OH)3
e.
Ba(OH)2
9.
Which of the following alkali metals has the highest
melting point?
a.
Cs (Cesium)
b.
K (Potassium)
c. Li (Lithium)
d.
Rb (Rubidium)
e.
Na (Sodium)
10.Which of the following
compounds is a peroxide?
a.
Na2O (Sodium Oxide)
b.
BaO2
c. Li2O
d.
Al2O3
e.
SiO2
11. Which of the following
compounds has the highest ionic character??
a.
LiF
b.
LiI
c. RbF
d.
RbI
e.
all
are equally ionic
12. PCl5 and SF6
do not obey the octet rule because:
a.
They are surrounded by number of
electrons greater than 8
b.
P and S have empty d-orbital
c.
P and S form Lewis bases
d.
They have 5 electrons in case of P and 6
electrons in case of S in the outer shell
e.
P and S have large size and so, can be
surrounded by 5 or 6 ligands
13. Which of the following compounds obey
the octet rule
a.
PF5
b.
SF6
c. BeCl2
d. CCl2F2 (Carbon dichloride difluoride)
e.
BCl3
14. Which of the following elements have
stronger metallic bond.
a.
Al
b.
B
c. Be
d.
Li
e.
Mg (Magnesium)
15. The correct order of melting point of
the following elements is:
a.
B>Al>Be>Mg>Na
b.
B>Al>Na>Mg>Be
c.
B>B>Mg>Al>Na
d.
Al>B>Mg>Be>Na
e.
Be>Mg>B>Al>Na
16. The ion that has the larger effective
ionic radius is:
a.
Li
b.
K
c. Na
d.
Rb
e.
Cs
17. Which of the following compounds have
the highest lattice energy
a.
KCl
b.
RbCl
c. CaF2
d.
BaF2
e.
KI
18. Which one of the following cations does
not exist?
a.
Al+3
b.
Be+2
c.
Mg+2
d.
Ra+2
e.
Na+
19. Li, Be, and B have maximum
coordination number of 4 because:
a.
Their small size
b.
2. Their high polarizing power
c.
Inter-ligand steric repulsion
d.
They have no d- orbital
e.
They have high excitation energy
20. The stability of +1 oxidation state
in group III increase as we go down the group due to:
a.
Low ionization potential
b.
Inert pair effect
c. Large radius
d.
High excitation energy
e.
High Ionic character
21. In which of the following cations the
lattice energy cannot compensate the high ionization and sublimation energies
a.
Li+
b.
Na+
c. B+3
d.
Al+3
e.
Mg+2
22. The size of In
is approximately the same as Tl because:
a.
Both of them has d- orbital
b.
Tl contain d-orbital
c. Poor shielding of d-orbital
d.
Poor shielding of f-orbital
e.
Poor shielding of f-orbital
23. B form with carbon covalent carbide
because
a.
Small size of B
b.
B form covalent compounds
c.
small difference in electronegativity
between C and B
d.
small size of C
e.
All of the above
24. Which of the following compounds does
not exist?
a.
PbCl2
b.
PbCl4
c. PbF4
d.
PbI2
e.
PbBr2
25. The ability of nitrogen to catenation
is lower than Phosphorus due to:
a.
The presence of lone pair on nitrogen
b.
Small size of nitrogen
c.
Because catenation increase down the
group
d.
Strong overlap between phosphorus atoms
e.
Nitrogen cannot form multiple bonds
26. Nitrogen in NH2-
is isoelectronic to oxygen in
a.
H2O
b.
SO2
c. Na2O
d.
N2O
e.
H2O2
27. Nitric oxide can be prepared by
a.
Ostwald process
b.
Rasching process
c. Haber process
d.
Rochow process
28. Ammonia can be prepared by
a.
Ostwald process
b.
Rasching process
c.
Haber process
d.
Rochow process
29. Methyl silicon halides can be
prepared by
a.
Ostwald process
b.
Rasching process
c. Haber process
d.
Rochow process
30.The anhydride of HNO2 is
a.
N2O3
b.
N2O4
c.
N2O5
d.
N2O
e.
NO2
31. Which of the
following compounds has the highest ionic character?
a.
Cl2O
b.
NCl3
c. PbCl2
d.
BaCl2
Ans.
BaCl2 has
the highest ionic character, because the electronegativity difference between
the positive Ba cation and the negative Cl anion is the highest compared to
other compounds. And, due to large radius of positive Ba Cation
|
Question |
Answer |
|
1 |
D |
|
2 |
A |
|
3 |
B |
|
4 |
B |
|
5 |
D |
|
6 |
B |
|
7 |
D |
|
8 |
C |
|
9 |
C |
|
10 |
B |
|
11 |
B |
|
12 |
B |
|
13 |
D |
|
14 |
B |
|
15 |
A |
|
16 |
A |
|
17 |
C |
|
18 |
B |
|
19 |
D |
|
20 |
B |
|
21 |
C |
|
22 |
D |
|
23 |
C |
|
24 |
B |
|
25 |
B |
|
26 |
A |
|
27 |
A |
|
28 |
C |
|
29 |
D |
|
30 |
A |
|
31 |
D |
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