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Carbon and Its Compounds mcq test Online. We covered all the Carbon and Its Compounds mcq test Online in this post for free so that you can practice well for the exam.
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mcq on Carbon and its Compounds for Students
In graphite, the carbon atoms are arranged in:
a. Tetrahedral structure
b. Hexagonal layers
c. Octahedral form
d. Trigonal bipyramidal shape
Option b – Hexagonal layers
Carbon dioxide is released as a by-product during the production of:
a. Sugar
b. Alcohol
c. Polyethylene
d. Nylon
Option b – Alcohol
Dry ice refers to:
a. Solid carbon dioxide
b. Liquid carbon dioxide
c. Chilled carbon dioxide
d. Frozen soda
Option a – Solid carbon dioxide
The exceptional characteristics of carbon include:
a. Catenation
b. Isomerism
c. Ability to form multiple bonds
d. All of these
Option d – All of these
Diamond exhibits hardness due to the presence of:
a. Covalent bonds
b. Ionic bonds
c. Coordinate bonds
d. Metallic bonds
Option a – Covalent bonds
The highest covalency shown by carbon is:
a. 1
b. 2
c. 3
d. 4
Option d – 4
Carbon shows strong catenation because:
a. It is highly electronegative
b. It has high ionization energy
c. It possesses only one stable isotope
d. The C–C bond is very strong
Option d – The C–C bond is very strong
Which of the following is not a form of elemental carbon?
a. Graphite
b. Diamond
c. Carborundum
d. Coke
Option c – Carborundum
Which of these has a layered Atomic Structure?
a. Graphite
b. Coal
c. Diamond
d. Coke
Option a – Graphite
Lead pencils contain:
a. Only graphite
b. Only clay
c. Lead oxide
d. A mixture of graphite and clay
Option d – A mixture of graphite and clay
In the structure of diamond, each carbon Atom is bonded to how many other carbon atoms?
a. 2
b. 4
c. 3
d. 1
Option b – 4
The most inert form of carbon is:
a. Charcoal
b. Coal
c. Graphite
d. Diamond
Option d – Diamond
Carbon forms a vast number of compounds due to its:
a. Constant valency
b. Non-metal nature
c. High ionization energy
d. Strong catenation tendency
Option c – High ionization energy
Carbon exists naturally in the form of:
a. Diamond
b. Graphite
c. Coal
d. All of these
Option d – All of these
Which of the following elements shows allotropy?
a. Nitrogen
b. Beryllium
c. Carbon
d. Boron
Option c – Carbon
Which allotrope of carbon is a crystalline Solid?
a. Diamond
b. Coal
c. Coke
d. Lamp black
Option a – Diamond
Which of the following is an amorphous form of carbon?
a. Diamond
b. Graphite
c. Both (a) and (b)
d. Coal
Option d – Coal
What is the density of diamond?
a. 2.25 g/cm³
b. 3.51 g/cm³
c. 2.52 g/cm³
d. 3.15 g/cm³
Option b – 3.51 g/cm³
What is the refractive index of diamond?
a. 4.3
b. 2.41
c. 4.5
d. 5.42
Option b – 2.41
Which of the following are insoluble in water?
a. Diamond
b. Graphite
c. Both (a) and (b)
d. None of these
Option c – Both (a) and (b)
In a diamond structure, carbon atoms are arranged in:
a. Tetrahedral geometry
b. Octagonal pattern
c. Square planar shape
d. Linear configuration
Option a – Tetrahedral geometry
The substance used as a lubricant is:
a. Diamond
b. Graphite
c. Coal
d. Charcoal
Option b – Graphite
Which one of these conducts Electricity well?
a. Graphite
b. Diamond
c. Coke
d. Charcoal
Option a – Graphite
The density of graphite is:
a. 3.51 g/cm³
b. 3.15 g/cm³
c. 2.25 g/cm³
d. 2.52 g/cm³
Option c – 2.25 g/cm³
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