Hydrocarbons
Maharashtra Board · Class 11 · Chemistry
Most important questions from Hydrocarbons for Maharashtra Board Class 11 Chemistry board exam 2026. MCQs, short answer, and long answer questions with marks.
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Sample Questions
Which of the following are characteristics of aromatic compounds?
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They are cyclic and planar, They follow Hückel's rule (4n+2 π electrons), They prefer substitution reactions
Aromatic compounds are cyclic, planar molecules that follow Hückel's rule and prefer substitution over addition reactions due to their stability.
Which of the following methods can be used to prepare alkenes?
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Dehydrohalogenation of alkyl halides, Dehydration of alcohols, Partial reduction of alkynes, Dehalogenation of vicinal dihalides
Alkenes can be prepared by elimination reactions like dehydrohalogenation, dehydration, dehalogenation, and by partial reduction of alkynes.
The acidic nature of terminal alkynes is due to:
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sp hybridization of carbon
Terminal alkynes are acidic because the hydrogen is attached to an sp hybridized carbon, which has 50% s-character making it more electronegative and able to release H+ more easily.
Benzene undergoes nitration in presence of:
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HNO3 + H2SO4
Benzene nitration requires a nitrating mixture of concentrated HNO3 and H2SO4. H2SO4 acts as a catalyst to generate NO2+ electrophile.
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