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Online Tests
Chemistry Fsc Part 1 Chapter 6 Online Test MCQs With Answers
Question # 1
Which of the following molecules has a co-ordinate covalent bond
Choose an answer
NH
4
CI
NaCI
HCI
AICI
3
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Question # 2
Which of the following molecules have highest bond energy
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F2
Cl2
Br2
I2
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Question # 3
Which compound does not obey the octet rule.
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NH3
BCl3
H2O
CH4
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Question # 4
Fluorine molecule (F
2
) is formed by the overlap of
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s - s orbital
s - p orbital
p - p head on overlapping of orbitals
p - p parallel overlapping of orbitals
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Question # 5
Suppose a new element 'J' has discovered and has seven electron in the valence shell. Which statement about this element would be correct.
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It is monatomic
It form covalent bond with hydrogen
It forms stable positive ion
It forms covalent bond with group IA element
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Question # 6
Dipole moment is defined as.
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Charge x distance
Charge x Debye
Charge x displacement
Charge x bond energy
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Question # 7
In a group of periodic table, ionization energy.
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Decreases
Increases
Remains same
First increases than increases
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Question # 8
Along period of periodic table shielding effects.
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Increases
Decreases
Remain constant
First increases than decreases
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Question # 9
The shape of H
3
O is
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Tetrahedral
Angular
Trigonal planer
Pyramidaj
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Question # 10
Those elements whose electronegativities are 1.2 and 3.2, react to form
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Ionic bond
Covalent bond
Gaseous substance
Definiting a liquid substance
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Question # 11
In which of the following Paris, do the elements form a compound by sharing electrons.
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carbon and chlorine
Lithium and iodine
Neon and oxygen
Potassium ad bromine
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Question # 12
Forces of attraction between He atoms are.
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Hydrogen bonding
London forces
Debye forces
Ion dipole forces
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Question # 13
The bond angle in NH3 molecule is
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109.5
o
107.5
o
104.5
o
106
o
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Question # 14
Which one of the following has no tendency of form coordinate covalent bond with H+
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NH3
H2O
CH4
CH3OH
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Question # 15
In BeCl2, the covalent bond is formed due to overlap of
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sp -s
sp -p
sp2 -p
sp3 -p
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Question # 16
SP
3-
hybridization in important in describing the bonding in
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Question # 17
Which of the following molecules contain six bonding electrons.
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CH4
CO2
BF3
H2S
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Question # 18
If we want to change O
2
to O
2
-1
The electron is to be placed in
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