HARD
11th CBSE
IMPORTANT
Earn 100

Alkynes contain two pi-bonds but still do not show geometrical isomerism whereas alkenes contain only one pi-bond but show geometrical isomerism. Comment.

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
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
Write short notes on : Oxidation of alkynes.
MEDIUM
11th CBSE
IMPORTANT
Pradeep's New Course CHEMISTRY Vol.II>Chapter 13 - Hydrocarbons>ADDITIONAL QUESTIONS>Q IV
Discuss the orbital structure of benzene.
MEDIUM
11th CBSE
IMPORTANT
Pradeep's New Course CHEMISTRY Vol.II>Chapter 13 - Hydrocarbons>ADDITIONAL QUESTIONS>Q IV
Benzene contains three double bonds yet it behaves like a saturated compound. Explain.