Topic Question Set
Q 1
:
Read the passage carefully and answer the following questions from (i) to (v):
As a versatile element, carbon can form large compounds because of its tetravalency and the property of catenation that it exhibits. Here, catenation refers to the combination of carbon atoms itself to form large molecules. Carbon forms stronger covalent bonds with itself and other elements such as hydrogen, oxygen, sulphur, nitrogen and chlorine. This is because its nucleus has a strong force of attraction and holds these bonds tightly together.
(i) The molecular formula of ethane has:
6 covalent bonds.
7 covalent bonds.
8 covalent bonds.
9 covalent bonds.
(2)
Q 2
:
Read the passage carefully and answer the following questions from (i) to (v):
As a versatile element, carbon can form large compounds because of its tetravalency and the property of catenation that it exhibits. Here, catenation refers to the combination of carbon atoms itself to form large molecules. Carbon forms stronger covalent bonds with itself and other elements such as hydrogen, oxygen, sulphur, nitrogen and chlorine. This is because its nucleus has a strong force of attraction and holds these bonds tightly together.
(ii) Which of the following statements regarding carbon is incorrect?
single atom of carbon can participate in two double bonds.
A single atom of carbon can participate in three single bonds and one double bond.
A single atom of carbon can participate in four single bonds.
A single atom of carbon can participate in two single bonds and one double bond.
(2)
Q 3
:
Read the passage carefully and answer the following questions from (i) to (v):
As a versatile element, carbon can form large compounds because of its tetravalency and the property of catenation that it exhibits. Here, catenation refers to the combination of carbon atoms itself to form large molecules. Carbon forms stronger covalent bonds with itself and other elements such as hydrogen, oxygen, sulphur, nitrogen and chlorine. This is because its nucleus has a strong force of attraction and holds these bonds tightly together.
(iii) Which of the following puts the elements in the right order in terms of their valency, starting with the element of lowest valency?
O, C, N, H
C, O, N, H
H, C, O, N
H, O, N, C
(4)
Q 4
:
Read the passage carefully and answer the following questions from (i) to (v):
As a versatile element, carbon can form large compounds because of its tetravalency and the property of catenation that it exhibits. Here, catenation refers to the combination of carbon atoms itself to form large molecules. Carbon forms stronger covalent bonds with itself and other elements such as hydrogen, oxygen, sulphur, nitrogen and chlorine. This is because its nucleus has a strong force of attraction and holds these bonds tightly together.
(iv) Match the columns:
Column A
Column B
(1)
Methane
(p)
(2)
Propane
(q)
(3)
Butane
(r)
(4)
Pentane
(s)
(5)
Octane
(t)
(1)-(q), (2)-(s), (3)-(t), (4)-(p), (5)-(r)
(1)-(p), (2)-(r), (3)-(s), (4)-(q), (5)-(t)
(1)-(t), (2)-(s), (3)-(q), (4)-(r), (5)-(p)
(1)-(t), (2)-(q), (3)-(s), (4)-(r), (5)-(p)
(3)
Q 5
:
Read the passage carefully and answer the following questions from (i) to (v):
As a versatile element, carbon can form large compounds because of its tetravalency and the property of catenation that it exhibits. Here, catenation refers to the combination of carbon atoms itself to form large molecules. Carbon forms stronger covalent bonds with itself and other elements such as hydrogen, oxygen, sulphur, nitrogen and chlorine. This is because its nucleus has a strong force of attraction and holds these bonds tightly together.
(v) Which of the following does not represent the molecular formula
(3)
Q 6
:
Read the passage carefully and answer the following questions from (i) to (v):
The nature of the covalent bond enables carbon to form a large number of compounds. Carbon has the unique ability to form bonds with other atoms of carbon, giving rise to large molecules. Since carbon has a valency of four, it is capable of bonding with four other atoms of carbon or atoms of some other monovalent element.
(i) Mark the correct option from the following names marked in A, B and C.
A- Graphite, B- Diamond, C- Fullerene
A- Diamond, B- Graphite, C- Fullerene
A- Fullerene, B- Diamond, C- Graphite
A- Graphite, B- Fullerene, C- Diamond
(1)
Q 7
:
Read the passage carefully and answer the following questions from (i) to (v):
The nature of the covalent bond enables carbon to form a large number of compounds. Carbon has the unique ability to form bonds with other atoms of carbon, giving rise to large molecules. Since carbon has a valency of four, it is capable of bonding with four other atoms of carbon or atoms of some other monovalent element.
(ii) The following represent the relation of boiling of alkanes with respect to number of carbon atoms.
Which of the following is the correct order for the boiling points of given alkanes?
(1)
Q 8
:
Read the passage carefully and answer the following questions from (i) to (v):
The nature of the covalent bond enables carbon to form a large number of compounds. Carbon has the unique ability to form bonds with other atoms of carbon, giving rise to large molecules. Since carbon has a valency of four, it is capable of bonding with four other atoms of carbon or atoms of some other monovalent element.
(iii) Which of the following is the major constituent of the liquefied petroleum gas?
Methane
Ethane
Propane
Butane
(4)
Q 9
:
Read the passage carefully and answer the following questions from (i) to (v):
The nature of the covalent bond enables carbon to form a large number of compounds. Carbon has the unique ability to form bonds with other atoms of carbon, giving rise to large molecules. Since carbon has a valency of four, it is capable of bonding with four other atoms of carbon or atoms of some other monovalent element.
(iv) A student while observing the properties of acetic acid would report that this smells like:
vinegar and turns red litmus blue
rotten egg and turns red litmus blue
vinegar and turns blue litmus red
rotten egg and turns blue litmus red
(3)
Q 10
:
Read the passage carefully and answer the following questions from (i) to (v):
The nature of the covalent bond enables carbon to form a large number of compounds. Carbon has the unique ability to form bonds with other atoms of carbon, giving rise to large molecules. Since carbon has a valency of four, it is capable of bonding with four other atoms of carbon or atoms of some other monovalent element.
(v) Carbon forms four covalent bonds by sharing its four valence electrons with four univalent atoms, e.g., hydrogen. After the formation of four bonds, carbon attains the electronic configuration of:
Helium
Neon
Argon
Krypton
(2)
