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Class 11 Chemistry Practice Test: Hydrocarbons - Aromatic Hydrocarbon
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Avg score: 84% Most missed: “Calculate the number of sigma(σ) and pi(π) bonds present in benzene (C6H6).”

Aromatic compounds, also known as "mono- and polycyclic aromatic hydrocarbons", are organic compounds containing one or more aromatic rings. The word "aromatic" originates from the past grouping of molecules based on smell, before their general chemical properties were understood.

Example: Benzene

Class 11 Chemistry Practice Test: Hydrocarbons - Aromatic Hydrocarbon
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10 Questions

1. Which of the following is an example of ortho and para directing group?
2. Which of the following hydrocarbon is formed, when benzene reacts with three chlorine molecules under UV condition?
3. Which of the following is used to reduce phenol vapors to benzene?
4. Alkylbenzene is formed when benzene is treated with an alkyl halide in the presence of anhydrous aluminum chloride. Identify the type of reaction.
5. Benzene on treatment with excess of chlorine in the presence of anhydrous AlCl3 , under dark and cold condition yield ‘X’. Identify X.
6. Identify the conditions under which hydrogenation of benzene produces cyclohexane.
7. Calculate the number of sigma(σ) and pi(π) bonds present in benzene (C6H6).
8. Which of the following is an example of meta directing group?
9. Which among the following is not a carcinogen?
10. Aromatic hydrocarbons are readily miscible in water and immiscible with organic solvents.