Alkynes

Which is the general formula for Alkynes?

• CnH2n−2

• CnH2n+2

• CnH2n

Write the name of this Alkyne.

The hydration of Alkynes gives __________as products while the hydration of Alkenes gives ___________ as products.

Which physical property of alkynes is incorrect?

• First two are gases at room temperature, the next eight are liquids.

• They are less dense than water.

• Insoluble in water

• Boiling points are higher than the corresponding alkanes & alkenes

Which alkyne is obtained industrially using calcium carbide?

Which is the main use of Alkynes?

Name this alkyne

Name this cyclo-alkyne.

Name this compound.

When naming Enynes, who has precedence?

• The triple bond

• The double bond

• The substituents