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Online Tests
Chemistry Fsc Part 1 Chapter 6 Online Test MCQs With Answers
Question # 1
Which of the following molecules have unpaired electrons is the bonding molecular orbitals.
Choose an answer
N2
O2
B2
F2
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Question # 2
Dipole moment of CO2 is.
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1.25 D
1.85 D
3.1 D
Zero
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Question # 3
In which molecule all atoms are coplanar.
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CH4
BF3
NH3
PH3
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Question # 4
Which of the following has highest percentage ionic character.
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HCl
HF
HBr
HI
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Question # 5
Which one of the following correctly describe the shape of NH3 molecules.
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tetrahedral
Pyramidal
Angular
Square planar
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Question # 6
The number of bonds in nitrogen molecules is.
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One pi and one sigma
One pi and two sigma
Thre sigma only
Two pi and one sigma
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Question # 7
Which of the following molecules has a co-ordinate covalent bond
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NH
4
CI
NaCI
HCI
AICI
3
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Question # 8
Which pair are iso electronic.
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Na+ and Cl-
Na+ and Mg+2
N-3 and P-3
H+ and H-
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Question # 9
Which one of the following has the greater ionic characters in it.
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HF
HCl
H2O
H2
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Question # 10
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 # 11
In BeCl2, the covalent bond is formed due to overlap of
Choose an answer
sp -s
sp -p
sp2 -p
sp3 -p
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Question # 12
Which of the following has coordinate covalent bond.
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NH4
NaCl
HCl
AlCl3
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Question # 13
Molecule in which the distance between two carbon atoms in the largest is.
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C2H6
C2H4
C2H2
C6H6
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Question # 14
Carbon atom in methane in hybridized.
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sp3
Sp2
Sp
dsp3
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Question # 15
Ionic bond is formed by combination of groups
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IA and VIII
II A and VII A
IV A and VA
VIA and VII A
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Question # 16
The structure of water molecule is.
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angular
Linear
Trigonal
Trigonal pyramidal
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Question # 17
Which of the following has linear structure.
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CO2
NH3
CH4
H2O
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Question # 18
A molecular orbital can accommodate maximum electron
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2
6
8
10
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