Hydrocarbon MCQ Quiz: Chemistry

Are you ready to test your knowledge of hydrocarbons? Organic Chemistry is an essential component of many scientific and engineering disciplines, and understanding hydrocarbons is a critical part of this knowledge. In this set of Organic Chemistry Multiple Choice Questions & Answers, we will focus on the fundamentals of hydrocarbons and their properties.

We’ll explore the different types of hydrocarbons, the reactivity of each type, and the role they play in organic chemistry. So, let’s get started and see just how much you know about hydrocarbons!

Question 1. In all bio-compounds the most necessary fundamental element is _________.

(A) Nitrogen

(B) Oxygen

(C) Carbon

(D) Sulphur

Question 2. Which one of the following sets of elements was primarily responsible for the origin of life on the Earth?

(A) Carbon, Hydrogen, Potassium

(B) Oxygen, Calcium, Phosphorus

(C) Carbon, Hydrogen, Nitrogen

(D) Hydrogen, Oxygen, Sodium

Question 3. Which one of the following is the correct sequential order in which these appeared under simulated primitive earth condition?

(A) Nitrile, Amino Acid, Methane, Hydrogen Cyanide

(B) Amino Acid, Nitrile, Hydrogen Cyanide, Methane

(C) Hydrogen Cyanide, Methane, Nitrile, Amino Acid

(D) Methane, Hydrogen, Cyanide, Nitrile, Amino Acid

Question 4. Which is the fundamental element of all organic compounds?

(A) Brimstone

(B) Carbon

(C) Oxygen

(D) Nitrogen

Question 5. Which one of the following is the correct sequence in increasing order of molecular weights of the hydrocarbons?

(A) Butane, Propane, Ethane and Methane

(B) Butane, Ethane, Propane and Methane

(C) Propane, Butane, Ethane and Methane

(D) Methane, Ethane, Propane and Butane

Question 6. Which one of the following was used as a chemical weapon in the First World War?

(A) Water gas

(B) Mustard gas

(C) Hydrogen cyanide

(D) Carbon monoxide

Question 7. Mustard gas is used?

(A) As a deodorant

(B) As a source of mustard oil

(C) In chemical warfare

(D) As a fuel gas

Question 8. Poisonous mustard gas is a _________.

(A) Gas

(B) Liquid

(C) Solid

(D) None of these

Question 9. Which of the following gases is used in cigarette lighters?

(A) Radon

(B) Methane

(C) Propane

(D) Butane

Question 10. 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

Question 11. From the decomposition of which of the following printing ink is formed?

(A) Benzene

(B) Carbon tetrachloride

(C) Methane

(D) Acetylene

Question 12. Methane gas producing field is __________.

(A) Groundnut field

(B) Cotton field

(C) Paddy field

(D) Wheat field

Question 13. For benzene which of the following statements is true?

(A) It has six sigma and three pi bonds

(B) It has twelve sigma and three pi bonds

(C) It has twelve sigma and six pi bonds

(D) It has six sigma and six pi bonds

Question 14. Which one of the following catalysts is used for hydrogenation of vegetable oils?

(A) Copper

(B) Platinum

(C) Nickel

(D) Zinc dust

Question 15. Which one of the following chemicals help in fruit ripening?

(A) Malathion

(B) Isoproturan

(C) Atrazine

(D) Ethephon

Question 16. Which of the following chemicals is used for ripening?

(A) Sodium Chloride

(B) Potassium Chloride

(C) Calcium Carbide

(D) None of the above

Question 17. Calcium Carbide is used for artificial ripening of green fruits because it produces?

(A) Florigen

(B) Acetylene

(C) Auxin

(D) Methylene

Question 18. Fruit ripening is promoted by which of the following?

(A) Ethylene

(B) Nitrogen

(C) Sulphur dioxide

(D) Carbon dioxide

Question 19. Which of the following gas mixture is used in welding gas?

(A) Hydrogen and Helium

(B) Hydrogen and Oxygen

(C) Oxygen and Acetylene

(D) Acetylene and Hydrogen

Question 20. Which one of the following pairs is incorrectly matched?

(A) Fullerene – Fluorine

(B) Freon – Refrigerant

(C) Sulphur – Acid rain Dioxide

(D) Pyrene – Fire extinguisher

Question 21. Which one of the following pairs is not correctly matched?

(A) Mustard gas – Poisonous liquid used in chemical warfare

(B) Keratin – Protein found in the outer layer of human skin

(C) Dry Ice – Solid carbon dioxide

(D) Fullerene – Organic compounds containing fluorine

Question 22. Which one of the following pairs is not correctly matched?

(A) Fullerene – Organic compounds containing fluorine

(B) Teflon – Polymer containing fluorine

(C) Mustard gas – Poisonous liquid used in chemical warfare

(D) Dry Ice – Solid carbon dioxide

Question 23. Which of the following is correctly matched?

1. Biogas – Insecticide
2. Electro- – Heartcardiography disorder
3. D.D.T. – Cow dung
4. Nicotine – Tobacco

Code:

(A) 2 and 4

(B) 2 and 3

(C) 2, 3 and 4

(D) 1, 2 and 4

Question 24. Consider the following statements about acetylene.

1. It is used in welding industry.
2. It is a raw material for preparing plastics.
3. It is easily obtained by mixing silicon carbide and water. Of these statements.

(A) 1, 2 and 3 are correct

(B) 2 and 3 are correct

(C) 1 and 3 are correct

(D) 1 and 2 are correct