Practice Properties (9.4.4) - Hydrocarbons

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6 sample questions

Question 1.
Define an alkyne.
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Think about the bonding between carbon atoms.
Question 2.
What is the general formula of alkynes?
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Look at how hydrogen count decreases with triple bonds.
3Question 3.
What is the general formula for alkynes?
- CnH2n
- CnH2n−2
- CnH2n+2
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Consider how hydrogen count is altered by triple bonds.
4Question 4.
Alkynes are more acidic than which of the following?
- True
- False
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Think about the hybridization effects on acidity.
Question 5.
Construct the structures of different isomers for the 5th member of the alkyne series.
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Visualize how the triple bond can shift between carbon chains.
Question 6.
Discuss the addition reaction of propyne with HBr and relate it to Markovnikov's rule.
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Consider how the stability of the intermediate cation influences the major product.

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