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Class 11 Chemistry Practice Test: Hydrocarbons - Alkynes
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Avg score: 59% • Most missed: “What is a general formula of alkynes?”

An alkyne is an unsaturated hydrocarbon containing at least one carbon—carbon triple bond. The simplest acyclic alkynes with only one triple bond and no other functional groups form a homologous series with the general chemical formula CₙH₂ₙ−2

The first 10 alkynes are:

Ethyne C2H2.
Propyne C3H4.
Butyne C4H6.
Pentyne C5H8.
Hexyne C6H10.
Heptyne C7H12.
Octyne C8H14.
Nonyne C9H16.

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Class 11 Chemistry Practice Test: Hydrocarbons - Alkanes

Class 11 Chemistry Practice Test: Hydrocarbons - Alkenes

Class 11 Chemistry Practice Test: Hydrocarbons - Alkynes
Time left 00:00
10 Questions

1. Are alkynes more reactive than alkenes?
2. Alkynes can be prepared from calcium carbide.
3. All alkynes are odourless gases.
4. What is a general formula of alkynes?
5. At which temperature, does cyclic polymerization of an alkyne occur?
6. Do alkynes react with arsenic trichloride?
7. All alkynes are odourless gases.
8. Alkynes show ________________ reactions.
9. Are alkynes more reactive than alkenes?
10. When ethyne is subjected to ozonolysis of, what is the end product?

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