Which one of the following statements is true about aromatic hydrocarbons?Question 3Answera.Most of their reactions can be characterized as addition reactionb.They all burn with a clean blue flamec.Generally they are less reactive than unsaturated aliphatic hydrocarbonsd.They are all naturally occurring compounds
Question
Which one of the following statements is true about aromatic hydrocarbons?Question 3Answera.Most of their reactions can be characterized as addition reactionb.They all burn with a clean blue flamec.Generally they are less reactive than unsaturated aliphatic hydrocarbonsd.They are all naturally occurring compounds
Solution
The correct answer is:
c. Generally they are less reactive than unsaturated aliphatic hydrocarbons
Here's why:
a. Most of their reactions can be characterized as addition reaction - This is false. Aromatic hydrocarbons primarily undergo substitution reactions, not addition reactions.
b. They all burn with a clean blue flame - This is also false. The flame color depends on the specific compound and conditions, not all aromatic hydrocarbons burn with a clean blue flame.
c. Generally they are less reactive than unsaturated aliphatic hydrocarbons - This is true. Aromatic hydrocarbons are generally less reactive due to the stability provided by their resonance structures.
d. They are all naturally occurring compounds - This is false. While some aromatic hydrocarbons are naturally occurring
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