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
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 # 2
Which of the following orbitals has maximum penetration effect.
Choose an answer
s
p
d
f
Previous
Skip
Next
Question # 3
A property which gradually increases on moving down group in the periodic table is
Choose an answer
Ionization enthalpy
Elemtronegativity
Electron affinity
atomic size
Previous
Skip
Next
Question # 4
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 # 5
The elements with highest electron affinity belongs to.
Choose an answer
Period 2 , group 17
Period 3, group 17
Period 2, group 18
Period, 2 , group 1
Previous
Skip
Next
Question # 6
Aque regia is made by dissolving a mixture of HNO3 and HCl with ratio.
Choose an answer
1 : 1
1 : 3
1 : 2
1 :10
Previous
Skip
Next
Question # 7
The formula of hexa borane is.
Choose an answer
B4H10
B6 H10
B5 H9
B8 H12
Previous
Skip
Next
Question # 8
Which of the following halide has lowest melting point.
Choose an answer
NaCl
NaF
NaBr
NaI
Previous
Skip
Next
Question # 9
Which of the following has the highest melting poing.
Choose an answer
NaCl
Li Cl
KCl
Rb Cl
Previous
Skip
Next
Question # 10
Alums are generally used
Choose an answer
In Dying and water proofing of fabric
In arrest bleeding
IN water purification
All above
Previous
Skip
Next
Question # 11
Bases and reducing agents are electron giving agents and also called as.
Choose an answer
Electrodotic
Electrophile
Nucleophile
None of above
Previous
Skip
Next
Question # 12
The noble gases are used due to having property
Choose an answer
Chomical inertness
Low boiling point
Any of a or b
Both a and b
Previous
Skip
Next
Question # 13
Ca H2 on reaction with water liberates
Choose an answer
H2
O2
Botha of these
None of these
Previous
Skip
Next
Question # 14
Lithium shows diagonal relationship with
Choose an answer
Beryllium
Sodium
Magnesium
Calcium
Previous
Skip
Next
Question # 15
The 'shape' of molecule ." Xe F6 is.
Choose an answer
Pentagonal bipyramidal
Regular octahedral
Distorted octahedral
Square planar
Previous
Skip
Next
Question # 16
Finely divided iron combines with CO to give.
Choose an answer
Fe(CO)5
Fe2(CO)9
Fe(CO)12
Fe(CO)6
Previous
Skip
Next
Question # 17
Halogens are coloured because.
Choose an answer
They are strong oxidant
Their molecules are held together by weak van der Waals forces
Their atoms absorb radiations form visible range causing the excitation of valence electrons to higher energy of levels
Their molecules absorb light radiation forming the oxcited state.
Previous
Skip
Next
Question # 18
The type of bonding in HCl is
Choose an answer
Pure covalent
Polar covalent
Highly polar
Hydrogen bonding
Previous
Skip
Next
Question # 19
Which is the purest form of iron.
Choose an answer
Pig iron
Cast iron
Wrought iron
Steel
Previous
Skip
Next
Question # 20
HCIO evolves Cl2 and O2 when dissolve
Choose an answer
Ca
Ni
Cu
Any of above
Previous
Skip
Next
Question # 21
BCl3 is an example of hybridization
Choose an answer
sp
sp2
sp3
None of above
Previous
Skip
Next
Back