MEDIUM
11th CBSE
IMPORTANT
Earn 100

Describe with a labelled diagram the laboratory method of preparation of acetylene. How can it be converted into 1-butyne and 2-butyne?

Important Questions on Hydrocarbons

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.
MEDIUM
11th CBSE
IMPORTANT
Pradeep's New Course CHEMISTRY Vol.II>Chapter 13 - Hydrocarbons>ADDITIONAL QUESTIONS>Q III
Sketch the mechanism of additions of water to alkynes.