What is the main source of aromatic compounds?

Important Questions on Aromatic Compounds: Aromatic Hydrocarbons

EASY

11th Odisha Board

IMPORTANT

Bureau's Higher Secondary Chemistry Volume-1>Chapter 20 - Aromatic Compounds: Aromatic Hydrocarbons>QUESTIONS>Q (ix)

A cyclic hydrocarbon molecule $\mathrm{A}$ has all the carbons and hydrogen atoms in a single plane. All the carbon-carbon bonds are of same length and less than $1.54 \mathrm{\AA }$ and more than $1.34 \mathrm{\AA }$. What is the $\mathrm{C}-\mathrm{C}-\mathrm{C}$ bond angle in the molecule?

MEDIUM

11th Odisha Board

IMPORTANT

Bureau's Higher Secondary Chemistry Volume-1>Chapter 20 - Aromatic Compounds: Aromatic Hydrocarbons>QUESTIONS>Q (x)

Name the reaction where Lewis acid is used as catalyst for aromatic substitution.

EASY

11th Odisha Board

IMPORTANT

Bureau's Higher Secondary Chemistry Volume-1>Chapter 20 - Aromatic Compounds: Aromatic Hydrocarbons>QUESTIONS>Q (i)

Write a note on aromaticity.

MEDIUM

11th Odisha Board

IMPORTANT

Bureau's Higher Secondary Chemistry Volume-1>Chapter 20 - Aromatic Compounds: Aromatic Hydrocarbons>QUESTIONS>Q (ii)

Starting from benzene how can you prepare cyclohexane?

MEDIUM

11th Odisha Board

IMPORTANT

Bureau's Higher Secondary Chemistry Volume-1>Chapter 20 - Aromatic Compounds: Aromatic Hydrocarbons>QUESTIONS>Q (iii)

What happens when toluene is oxidised by acidified ${\mathrm{KMnO}}_4$?

MEDIUM

11th Odisha Board

IMPORTANT

Bureau's Higher Secondary Chemistry Volume-1>Chapter 20 - Aromatic Compounds: Aromatic Hydrocarbons>QUESTIONS>Q (iv)

Aromatic compounds undergo substitution reactions, explain with one example.

MEDIUM

11th Odisha Board

IMPORTANT

Bureau's Higher Secondary Chemistry Volume-1>Chapter 20 - Aromatic Compounds: Aromatic Hydrocarbons>QUESTIONS>Q (v)

Although benzene is highly unsaturated normally it does not undergo addition reactions. Give reasons.

MEDIUM

11th Odisha Board

IMPORTANT

Bureau's Higher Secondary Chemistry Volume-1>Chapter 20 - Aromatic Compounds: Aromatic Hydrocarbons>QUESTIONS>Q (vi)

What happens when acetylene is passed through heated iron tube?