MEDIUM
11th CBSE
IMPORTANT
Earn 100

What happens when calcium carbide is treated with water? Give chemical equation for the reaction.

Important Questions on Hydrocarbons

MEDIUM
11th CBSE
IMPORTANT
Pradeep's New Course CHEMISTRY Vol.II>Chapter 13 - Hydrocarbons>ADDITIONAL QUESTIONS>Q III
Describe with a labelled diagram the laboratory method of preparation of acetylene. How can it be converted into 1-butyne and 2-butyne?
MEDIUM
11th CBSE
IMPORTANT
Pradeep's New Course CHEMISTRY Vol.II>Chapter 13 - Hydrocarbons>ADDITIONAL QUESTIONS>Q III
Write the equation for preparation of propyne.
MEDIUM
11th CBSE
IMPORTANT
Pradeep's New Course CHEMISTRY Vol.II>Chapter 13 - Hydrocarbons>ADDITIONAL QUESTIONS>Q III
Explain why are alkynes less reactive than alkenes towards electrophilic addition reactions?
MEDIUM
11th CBSE
IMPORTANT
Pradeep's New Course CHEMISTRY Vol.II>Chapter 13 - Hydrocarbons>ADDITIONAL QUESTIONS>Q III
Comment upon acidic character of terminal alkynes.
EASY
11th CBSE
IMPORTANT
Pradeep's New Course CHEMISTRY Vol.II>Chapter 13 - Hydrocarbons>ADDITIONAL QUESTIONS>Q III
Account for the order of acidity : acetylene > benzene > hexane.
EASY
11th CBSE
IMPORTANT
Pradeep's New Course CHEMISTRY Vol.II>Chapter 13 - Hydrocarbons>ADDITIONAL QUESTIONS>Q III
Explain why alkynes undergo nucleophilic addition reactions while simple alkenes do not?
EASY
11th CBSE
IMPORTANT
Pradeep's New Course CHEMISTRY Vol.II>Chapter 13 - Hydrocarbons>ADDITIONAL QUESTIONS>Q III
Discuss the stereochemistry of the reduction products obtained when but-2-yne is reduced with Lindlar’s catalyst and Na in liquid NH3.
EASY
11th CBSE
IMPORTANT
Pradeep's New Course CHEMISTRY Vol.II>Chapter 13 - Hydrocarbons>ADDITIONAL QUESTIONS>Q III
Discuss the stereochemistry of the reduction products obtained when but-2-yne is reduced with Na in liquid NH3.