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 one of the following was used as a chemical weapon in the First World War?
(A) Carbon monoxide
(B) Hydrogen cyanide
(C) Mustard gas
(D) Water gas
Option c – Mustard gas
Mustard gas is used
(A) As a fuel gas
(B) In chemical warfare
(C) As a source of mustard oil
(D) As a deodorant
Option b – In chemical warfare
Poisonous mustard gas is an
(A) Gas
(B) Liquid
(C) Solid
(D) None of these
Option b – Liquid
Which of the following gases is used in cigarette lighters?
(A) Butane
(B) Methane
(C) Propane
(D) Radon
Option a – Butane
Leakage of which of the following gases had caused the Bhopal Gas Tragedy?
(A) Methyl isocyanate
(B) Carbon mono-oxide
(C) Nitric oxide
(D) Sulphur dioxide
Option a – Methyl isocyanate
From the decomposition of which of the following printing ink is formed?
(A) Acetylene
(B) Methane
(C) Carbon tetrachloride
(D) Benzene
Option b – Methane
The methane gas-producing field is
(A) Wheatfield
(B) Paddy field
(C) Cotton field
(D) Groundnut field
Option b – Paddy field
For benzene which of the following statements is true?
(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 one of the following catalysts is used for the hydrogenation of vegetable oils?
(A) Zinc dust
(B) Nickel
(C) Platinum
(D) Copper
Option b – Nickel
Which one of the following chemicals helps in fruit ripening?
(A) Ethephon
(B) Atrazine
(C) Isoproturan
(D) Malathion
Option a – Ethephon
Which of the following chemicals is used for ripening?
(A) Sodium Chloride
(B) Calcium Carbide
(C) Potassium Chloride
(D) None of the above
Option b – Calcium Carbide
In all bio-compounds, the most necessary fundamental element is
(A) Sulphur
(B) Carbon
(C) Oxygen
(D) Nitrogen
Option b – Carbon
Which one of the following sets of elements was primarily responsible for the origin of life on the Earth?
(A) Hydrogen, Oxygen, Sodium
(B) Carbo Hydrogen, Nitrogen
(C) Oxygen, Calcium, Phosphorus
(D) Carbon, Hydrogen, Potassium
Option b – Carbo Hydrogen, Nitrogen
Which one of the following is the correct sequential order in which these appeared under simulated primitive earth conditions?
(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
Which is the fundamental element of all organic compounds?
(A) Nitrogen
(B) Oxygen
(C) Carbon
(D) Brimstone
Option c – Carbon
Which one of the following is the correct sequence in increasing order of molecular weights of the hydrocarbons?
(A) Methane, Ethane, Propane, and Butane
(B) Propane, Butane, Ethane, and Methane
(C) Butane, Ethane, Propane, and Methane
(D) Butane, Propane, Ethane, and Methane
Option a – Methane, Ethane, Propane, and 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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