More Classes
5th Class
6th Class
7th Class
8th Class
9th Class
10th Class
11th Class
12th Class
NAT I
NAT II
CSS
IQ
General Knowledge
MDCAT
ECAT
GAT General
GAT Subject
Other Links
Go to Home
Online Tests
PPSC Chemistry Part III Inorganic Chemistry Online Test MCQs With Answers
Question # 1
Which of the following elements forms maximum number of compounds.
Choose an answer
Carbon
Silicon
Hydrogen
Fluorine
Previous
Skip
Next
Question # 2
Type of hybrid orbitals used by the chlroine atom in CIO2 is.
Choose an answer
sp2
sp3
sp
None of these
Previous
Skip
Next
Question # 3
When metal orbital are rotated in octahedral field the following representation obtained.
Choose an answer
t2 g + lg
a1 g
t 1 u
All above
Previous
Skip
Next
Question # 4
The maximum oxidation shown by managanese is.
Choose an answer
+2
+7
+4
+5
Previous
Skip
Next
Question # 5
The most stable oxidation state shown by lead is.
Choose an answer
+2 , +4
+2 only
+3 , +4
+4 only
Previous
Skip
Next
Question # 6
The forces which holds the atoms together in a molecule is called
Choose an answer
Ionic bond
Covalent bond
Co ordinate bond
Chemical bond
Previous
Skip
Next
Question # 7
Both the elements shows allotropy
Choose an answer
B & Ai
B & Si
Al & Si
Any of above
Previous
Skip
Next
Question # 8
The first ionization energy in electron volts of nitrogen and oxygen atoms are respectively given by.
Choose an answer
14.6, 13.6
13.6, 14.6
13.6, 13.6
14.6, 14.6
Previous
Skip
Next
Question # 9
The electronegativity of phosphorus is.
Choose an answer
3.0
2.1
2.0
1.9
Previous
Skip
Next
Question # 10
The oxidation state shown by phosphorus is.
Choose an answer
- 3
+ 3
+ 3 and +5
-3 ,+ 3 and +5
Previous
Skip
Next
Question # 11
Anhydrous AlCl3 cannot be obtained by heating hydrated AlOI3 ,6h2o Because.
Choose an answer
It decomposes completely to give Al2O3
It does not lose water completely
It undergoes hydrolysis to give Al(OH)3
AlCl3 .6H2O is very stable.
Previous
Skip
Next
Question # 12
Metal are generally elements
Choose an answer
Electronegative
Electropositive
Neutral
None of the above
Previous
Skip
Next
Question # 13
The strongest acid is.
Choose an answer
HNO2
HNO3
H2N2O2
HNOS
Previous
Skip
Next
Question # 14
Which is incorrect statement for Xe F2.
Choose an answer
It has linear structure.
It is hydrolyzed rapidly in aqueous solution of a base
It oxidizes Cl and I to Cl2 and I 2 respectively
It cannot act as F donor
Previous
Skip
Next
Question # 15
Is a peroxy acid
Choose an answer
H2SO5
H2S2O6
H2SO4
H2S2O7
Previous
Skip
Next
Question # 16
Hydrometallurgy of copper involves extraction of copper from poor ores by which process.
Choose an answer
Dry process
Wet process
Both dry and wet process
None of these
Previous
Skip
Next
Question # 17
Which of the following bonds between carbon -carbon is teh strongest.
Choose an answer
Sigma bond
Pi bond
Double bond
Triple bond
Previous
Skip
Next
Question # 18
Anything that influence the valence electrons will affect the chemistry of the element Which of the following factors does not affect the valency shell.
Choose an answer
Valence principle quantum number in
Nuclear charge (Z)
Nuclear mass
Number of core electrons
Previous
Skip
Next
Question # 19
Which of the following compounds liberates CO2 on heating.
Choose an answer
Li2CO3
Na2CO3
K2CO3
All liberate CO2 on heating.
Previous
Skip
Next
Question # 20
The state of hybridization of Xe in Xe F6 are
Choose an answer
sp2
sp3
sp3 d
dsp3
Previous
Skip
Next
Question # 21
Which one has a co ordinate bond.
Choose an answer
Al2Cl6
BF3
NaCl
O2
Previous
Skip
Next
Back