Alkanes, alkenes, alkynes

What is the general formula of the alkynes?

• C_nH_2n+1
• C_nH_2n+2
• C_nH_2n-1
• C_nH_2n-2

What chemical is this? (C₅H₁₀)

• Pentene

• Pentane

• Hexane

• Heptene

Which of the following shows the structure of ethene?

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• 
• 
• 

Which of the following shows the structure of propene?

• 
• 
• 
• 

What is the name of this hydrocarbon?

• 1 - butane

• 1 - butene

• 2 - butane

• 2 - butene

If an alkane has 20 carbon atoms, how many hydrogen atoms will it have?

• 20
• 22
• 40
• 42

The "ane" ending in "alkane" tells someone that they are dealing with _________-bonded carbons.

• single
• double
• triple
• quadruple

2-methyl propane is an isomer of

• propane

• butane

• pentane

• hexane

-CH2 - CH2 - CH3 is named as ________.

• alkyl

• ethyl

• propyl

• methyl

Which one of the following contains a triple bond in the structure?

• 1-butyne

• 7-propyne

• ethene

• nonane