Aromatic compounds burn with a sooty flame because:
Correct answer: C. They have a high percentage of Carbon
- A. They are resistant to react with oxygen
- B. They have a cyclic structure
- C. They have a high percentage of Carbon
- D. They have a high percentage of hydrogen
Explanation
Aromatic compound burn with sooty flame because they have a ring structure of carbon atom. This causes incomplete combustion of the carbon chain. Thus they give sooty flame.
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About Benzene and Aromatic Compounds
Benzene has a planar ring of delocalised π electrons, giving aromatic stability and equal carbon-carbon bond lengths. The topic covers resonance, electrophilic substitution reactions such as nitration, halogenation, sulphonation and Friedel-Crafts reactions, along with substituent effects and the distinction between substitution in benzene and addition in ordinary alkenes.
Practise Chemistry of Hydrocarbons
1,091 free Chemistry of Hydrocarbons MCQs from Chemistry, each with the correct answer and an explanation. Unlimited attempts, no account needed.
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