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Hydrocarbons Class 11 Questions. We covered all the Hydrocarbons Class 11 Questions in this post for free so that you can practice well for the exam.
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Hydrocarbons Class 11 Objective Questions for Students
Which chemical weapon was used during the First World War?
a) Carbon monoxide
b) Hydrogen cyanide
c) Mustard gas
d) Water gas
Option c – Mustard gas
The primary use of mustard gas is:
a) As a fuel gas
b) In chemical warfare
c) To extract mustard oil
d) As a deodorant
Option b – In chemical warfare
The physical state of poisonous mustard gas is:
a) Gas
b) Liquid
c) Solid
d) None of these
Option b – Liquid
Which gas is commonly used in cigarette lighters?
a) Butane
b) Methane
c) Propane
d) Radon
Option a – Butane
The Bhopal Gas Tragedy was caused by the leakage of:
a) Methyl isocyanate
b) Carbon monoxide
c) Nitric oxide
d) Sulphur dioxide
Option a – Methyl isocyanate
Printing ink is primarily derived from the decomposition of:
a) Acetylene
b) Methane
c) Carbon tetrachloride
d) Benzene
Option b – Methane
Methane is predominantly produced in which type of field?
a) Wheat field
b) Paddy field
c) Cotton field
d) Groundnut field
Option b – Paddy field
Which statement correctly describes benzene?
a) It has six sigma and six pi bonds
b) It has twelve sigma and six pi bonds
c) It has twelve sigma and three pi bonds
d) It has six sigma and three pi bonds
Option c – It has twelve sigma and three pi bonds
Which catalyst is used to hydrogenate vegetable oils?
a) Zinc dust
b) Nickel
c) Platinum
d) Copper
Option b – Nickel
Which chemical promotes fruit ripening?
a) Ethephon
b) Atrazine
c) Isoproturon
d) Malathion
Option a – Ethephon
The chemical commonly used for artificial fruit ripening is:
a) Sodium chloride
b) Calcium carbide
c) Potassium chloride
d) None of these
Option b – Calcium carbide
The most essential element in all bio-compounds is:
a) Sulphur
b) Carbon
c) Oxygen
d) Nitrogen
Option b – Carbon
The key elements believed to contribute to the origin of life on Earth are:
a) Hydrogen, Oxygen, Sodium
b) Carbon, Hydrogen, Nitrogen
c) Oxygen, Calcium, Phosphorus
d) Carbon, Hydrogen, Potassium
Option b – Carbon, Hydrogen, Nitrogen
The correct sequence of compound formation under simulated primitive Earth conditions is:
a) Methane → Hydrogen → Cyanide → Nitrile → Amino Acid
b) Hydrogen Cyanide → Methane → Nitrile → Amino Acid
c) Amino Acid → Nitrile → Hydrogen Cyanide → Methane
d) Nitrile → Amino Acid → Methane → Hydrogen Cyanide
Option a – Methane → Hydrogen → Cyanide → Nitrile → Amino Acid
The primary element forming all Organic compounds is:
a) Nitrogen
b) Oxygen
c) Carbon
d) Sulphur
Option c – Carbon
Arrange the Hydrocarbons in increasing order of Molecular weight:
a) Methane → Ethane → Propane → Butane
b) Propane → Butane → Ethane → Methane
c) Butane → Ethane → Propane → Methane
d) Butane → Propane → Ethane → Methane
Option a – Methane → Ethane → Propane → Butane
We covered all the Hydrocarbons Class 11 Questions above in this post for free so that you can practice well for the exam.
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