unsaturated hydrocarbon

What is the difference between saturated (Alkane) and unsaturated hydrocarbon (Alkene &Alkyne)

Multiple Choice

What is the difference between Ethene and Ethyne in terms of their bonding?

• Ethene has a double bond, Ethyne has a triple bond

• Both have double bonds

• Ethene has a single bond, Ethyne has a double bond

• Both have single bonds

Multiple Choice

How do the properties of alkenes and alkynes compare with those of alkanes?

• Alkenes and alkynes are more reactive than alkanes

• Alkenes and alkynes have similar properties to alkanes

• Alkenes and alkynes are less stable than alkanes

• Alkenes and alkynes have higher boiling points than alkanes

In Pairs you are going to choose 1 alkane , 1 alkene and 1 alkyne and model them using the given material.
this activity will take 10 min.

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Activity time

Multiple Choice

What is the general formula for alkenes?

• C_n H_n

• C_n H_2n

• C_n H_2n+2

• C_n H_2n-2

Multiple Choice

What is the molecular formula for ethene?

• C2H4

• C3H6

• C4H8

• C5H10

Multiple Choice

What is the naming convention for alkenes with two and three carbon atoms?

• ethene and propene

• ethane and propane

• butene and pentene

• methene and hexene

Multiple Choice

What is the correct name for the alkene structure shown as 1-Butene?

• 1-Butene

• 2-Butene

• 3-Butene

• Cyclic Butene

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Multiple Choice

What are the properties of alkenes that make them more reactive than alkanes?

• They are polar

• They have a single bond

• They have a double bond

• They are soluble in water

Multiple Choice

Name the alkene shown.

• 1-Heptene

• 2-Heptene

• 3-Heptene

• 4-Heptene

Multiple Choice

What is the complete name for the alkene with the following characteristics: 2-Heptene parent chain, two methyl groups at positions 4 and 6?

• 4,6-dimethyl-2-heptene

• 2-methyl-3-heptene

• 3,4-dimethyl-2-heptene

• 4-methyl-2-heptene

Multiple Choice

What are alkynes?

• Hydrocarbons with single bonds

• Hydrocarbons with double bonds

• Hydrocarbons with triple bonds

• Hydrocarbons with no bonds

Multiple Choice

What is the general formula for alkynes with one triple covalent bond?

• C_nH_2n-2

• C_nH_2n

• C_nH_2n+2

• C_nH_n

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Multiple Choice

What are the general formulas for Alkanes, Alkenes, and Alkynes?

• C_nH_{2n+2}

• C_nH_{2n}

• C_nH_{2n-2}

• C_nH_{n}