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11th Class Chemistry Chapter Wise MCQs:
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Sindh->11th Class->Chemistry MCQs
Sindh Question:
The bond order of N2 molecule is
A:
0
B:
1
C:
2
D:
3
Answer: D
Answer
Submitted By:
Aijaz
Discussion Form
Sindh Question:
Which quantum number(s) do 2s and 2p orbitals have in common
A:
n and l
B:
n
C:
l
D:
l and m
Answer: B
Answer
Submitted By:
Subtainali
Discussion Form
Sindh Question:
The distance between the nuclei of two atoms forming covalent bond is called.
A:
Bond energy
B:
Bond length
C:
Atomic radius
D:
Ionic radius
Answer: B
Answer
Submitted By:
karan kumar
Discussion Form
Sindh Question:
Bond angle in water molecule is,
A:
109.5°
B:
107°
C:
104.28°
D:
120°
Answer: B
Answer
Submitted By:
karan kumar
Discussion Form
Sindh Question:
Which of the following bonds is polar?
A:
H—F
B:
O—O
C:
C—C
D:
All of these
Answer: A
Answer
Submitted By:
karan kumar
Discussion Form
Sindh Question:
Ionic compounds are always found in
A:
Plasma state
B:
Gaseous state
C:
Solid state
D:
Liquid state
Answer: C
Answer
Submitted By:
salman bin arif
Discussion Form
Sindh Question:
Which bond is strongest among the following
A:
Ionic bond
B:
Covalent bond
C:
Hydrogen bond
D:
All of these
Answer: A
Answer
Submitted By:
salman bin arif
Discussion Form
Sindh Question:
Which of the following molecules has the least bond length?
A:
C-C
B:
C=C
C:
C + C
D:
None of these
Answer: D
Answer
Submitted By:
salman bin arif
Discussion Form
Sindh Question:
The breaking of a bond is a/an _______________ reaction.
A:
Endothermic
B:
Exothermic
C:
Reversible
D:
All of these
Answer: A
Answer
Submitted By:
salman bin arif
Discussion Form
Sindh Question:
This compounds conduct electric current in molten state.
A:
Ionic
B:
Covalent
C:
Co-ordinate covalent
D:
None of these
Answer: A
Answer
Submitted By:
salman bin arif
Discussion Form
Sindh Question:
Which of the following is called secondary bond?
A:
Ionic bond
B:
Covalent bond
C:
Co-ordinate covalent
D:
Hydrogen bond
Answer: D
Answer
Submitted By:
salman bin arif
Discussion Form
Sindh Question:
Covalent compounds are soluble in
A:
Polar solvents
B:
Non polar solvents
C:
All solvents
D:
All of these
Answer: B
Answer
Submitted By:
salman bin arif
Discussion Form
Sindh Question:
Antibondint Molecular orbital is formed by
A:
Structure of atomic orbitals
B:
Addition of atomic orbitals
C:
Multiplication of atomic orbitals
D:
All of these
Answer: B
Answer
Submitted By:
salman bin arif
Discussion Form
Sindh Question:
Bond angle in water molecule is:
A:
107
B:
109.5
C:
104.28
D:
120
Answer: C
Answer
Submitted By:
salman bin arif
Discussion Form
Sindh Question:
The distance between the nuclei of two atoms forming covalent bond is called:
A:
Bond energy
B:
Bond length
C:
Atomic radius
D:
Ionic radius
Answer: B
Answer
Submitted By:
salman bin arif
Discussion Form
Sindh Question:
Which of the following compounds can form Hydrogen bond?
A:
CH
B:
Cl
C:
H2O
D:
Na
Answer: C
Answer
Submitted By:
salman bin arif
Discussion Form
Sindh Question:
The shape of NH3 molecule is:
A:
Tetrahedral
B:
Angular
C:
Squar planar
D:
Pyramidal
Answer: B
Answer
Submitted By:
salman bin arif
Discussion Form
Sindh Question:
How many sigma and Pi bond are present in Ethyne (C2H2).
A:
4 Sigma-1 Pi
B:
4 Sigma-2 Pi
C:
5 Sigma-1 Pi
D:
3 Sigma-2 Pi
Answer: D
Answer
Submitted By:
salman bin arif
Discussion Form
Sindh Question:
Which of the following bonds is polar?
A:
H - F
B:
O = O
C:
N = N
D:
All of these
Answer: A
Answer
Submitted By:
salman bin arif
Discussion Form
Sindh Question:
Which of the following is not a state function?
A:
Pressure
B:
Enthalpy
C:
Volume
D:
Temperature
Answer: A
Answer
Submitted By:
salman bin arif
Discussion Form
Sindh Question:
Work done by a thermodynamic system is a state function.
A:
True
B:
False
C:
Only sometimes
D:
Maximum times
Answer: B
Answer
Submitted By:
salman bin arif
Discussion Form
Sindh Question:
Which of the following food product will give maximum caloric value?
A:
Butter
B:
Fruits
C:
Vegetable
D:
Meat
Answer: A
Answer
Submitted By:
salman bin arif
Discussion Form
Sindh Question:
Which gas diffuses at the slowest rate?
A:
NH3
B:
CO
C:
N
D:
SO
Answer: A
Answer
Submitted By:
salman bin arif
Discussion Form
Sindh Question:
Heat of reaction is measured by:
A:
Thermometer
B:
pH - meter
C:
Calorimeter
D:
None of these
Answer: C
Answer
Submitted By:
salman bin arif
Discussion Form
Sindh Question:
The S.I.Unit of heat is:
A:
Calorie
B:
Joule
C:
Calories/mole
D:
ev
Answer: B
Answer
Submitted By:
salman bin arif
Discussion Form
Sindh Question:
One calorie is equal to:
A:
4.184J
B:
4.184KJ
C:
0.41.84J
D:
41.84KJ
Answer: A
Answer
Submitted By:
salman bin arif
Discussion Form
Sindh Question:
The branch of chemistry dealing the study of heat energy changes of chemical reactions is called:
A:
Thermo dynamics
B:
Thermo chemistry
C:
Chemical Kinetics
D:
Chemical equilibrium
Answer: B
Answer
Submitted By:
salman bin arif
Discussion Form
Sindh Question:
Internal energy of the substance will be:
A:
K.E + P.E
B:
E + PV
C:
E + W
D:
None of these
Answer: A
Answer
Submitted By:
salman bin arif
Discussion Form
Sindh Question:
Work is defined as the product of:
A:
PV
B:
f x d
C:
P x A
D:
None of these
Answer: B
Answer
Submitted By:
salman bin arif
Discussion Form
Sindh Question:
pressure is:
A:
f x A
B:
f/A
C:
f x d
D:
f/d
Answer: B
Answer
Submitted By:
salman bin arif
Discussion Form
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Introduction to Fundamental Concepts of Chemistry MCQs
The Three States of Matter (Gases Solid Liquid) MCQs
The Atomic Structure MCQs
Chemical Bonding MCQs
Energetics of Chemical Reaction MCQs
Chemical Equilibrium MCQs
Solutions and Electrolytes MCQs
Introduction to Chemical Kinetics MCQs
