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 statements is correct.
Choose an answer
A sigma bond is weaker than a pi pond
There are four coordinate bonds in the Lewis structure of NH4+ ion.
The 1 covalent bond is directional in nature
A single bond between the two atoms cannot be re bond.
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
Which name is associated with the rules which help in predicting the portability of anion.
Choose an answer
Soddy
Slater
Fajan
Linus pauling
Previous
Skip
Next
Question # 4
Which of the following has maximum number of unpaired electrons.
Choose an answer
Fe3+
Fe2+
Co2+
CO3+
Previous
Skip
Next
Question # 5
The silicate chains are present in
Choose an answer
Silica
asbestos
Beryl
Clays
Previous
Skip
Next
Question # 6
The compound insoluble in acetic acid is.
Choose an answer
Calcium oxide
Calcium carbonate
Calcium oxalate
Calcium hydroxide
Previous
Skip
Next
Question # 7
Aluminium hydroxide is.
Choose an answer
An acid
An amphoteric hydroxide
A base
An explosive hydroexide
Previous
Skip
Next
Question # 8
The formula of hexa borane is.
Choose an answer
B4H10
B6 H10
B5 H9
B8 H12
Previous
Skip
Next
Question # 9
Alumina is not used as
Choose an answer
Refractory material
A medium in chromatography
An abrasive
A White pigment
Previous
Skip
Next
Question # 10
Which number of halogen family does not show positive oxidation state.
Choose an answer
Fluorine
Chlorine
Bromine
Iodine
Previous
Skip
Next
Question # 11
The process of extracting a metal in pure form its ores is known as.
Choose an answer
Crushing
Grinding
Dressing
Metallurgy
Previous
Skip
Next
Question # 12
In each period the most electro negative element belongs to.
Choose an answer
Group -1
Group -17
Group -2
Group -18
Previous
Skip
Next
Question # 13
Considering the element B,C, N, G and Si, the correct order of their non- metallic character is.
Choose an answer
B > C > Si > N > F
Si > C > B > N > F
F > N > C > B > Si
F > N c > > SI > B
Previous
Skip
Next
Question # 14
The gap between occupied and the unoccupied orbitals is not very large and the conduction of electricity is negligible at lower temperature and appreciable at high temperatures then it will be.
Choose an answer
Good conductor
Non conductor
Semi conductor
None of the above
Previous
Skip
Next
Question # 15
Hydrogen bond is not electrostatic in nature is stated by
Choose an answer
Electrostatic approach
Valence bond approach
Molecular orbital approach
None of the abvoe
Previous
Skip
Next
Question # 16
All the strong acids have very close pKas value and they appear to have nearly equal strengths in aqueous solutions. The phenomenon is called as.
Choose an answer
Levelling effect
Differnetiating effect
Levelling solvent
Differnetiating solvent
Previous
Skip
Next
Question # 17
The configuration of valence shell of certain atom X is 3s2 , 3p5, which valences can it exhibit.
Choose an answer
1,3 only
1,5 only
1,3,5,7
1,3,4
Previous
Skip
Next
Question # 18
Which one of the following ions is colourless.
Choose an answer
Cu+
Co2+
Ni2+
Fe3+
Previous
Skip
Next
Question # 19
The oxidation state of Pt in Xe+ [Pt F6] is
Choose an answer
+4
+5
+6
None of these
Previous
Skip
Next
Question # 20
H-Bonding also ox in ling system like
Choose an answer
Protein
DNA
Botha A and B
None of above
Previous
Skip
Next
Question # 21
Which of the following has highest ionization energy.
Choose an answer
Oxygen
Argon
Barium
Caealum
Previous
Skip
Next
Back