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What are the necessary conditions for any system to be aromatic?

Important Questions on Hydrocarbons

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11th CBSE
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Chemistry Part II Textbook for Class XI>Chapter 6 - Hydrocarbons>EXERCISES>Q 13.12
Explain why the following systems are not aromatic?
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11th CBSE
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Chemistry Part II Textbook for Class XI>Chapter 6 - Hydrocarbons>EXERCISES>Q 13.13
How will you convert benzene into p-nitrobromobenzene.
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Chemistry Part II Textbook for Class XI>Chapter 6 - Hydrocarbons>EXERCISES>Q 13.13

How will you convert benzene into m-nitrochlorobenzene.

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Chemistry Part II Textbook for Class XI>Chapter 6 - Hydrocarbons>EXERCISES>Q 13.13

How will you convert benzene into p-nitrotoluene.

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11th CBSE
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Chemistry Part II Textbook for Class XI>Chapter 6 - Hydrocarbons>EXERCISES>Q 13.13

How will you convert benzene into acetophenone.

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Chemistry Part II Textbook for Class XI>Chapter 6 - Hydrocarbons>EXERCISES>Q 13.14
In the alkane H3C–CH2–CCH32–CH2–CHCH32, identify 1o,2o,3o carbon atoms and give the number of H atoms bonded to each one of these.
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11th CBSE
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Chemistry Part II Textbook for Class XI>Chapter 6 - Hydrocarbons>EXERCISES>Q 13.15
What effect does branching of an alkane chain has on its boiling point?
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11th CBSE
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Chemistry Part II Textbook for Class XI>Chapter 6 - Hydrocarbons>EXERCISES>Q 13.16
Addition of HBr to propene yields 2-bromopropane, while in the presence of benzoyl peroxide, the same reaction yields 1-bromopropane. Explain and give mechanism.