Practice Alkanes (9.2.1) - Chapter 9: Organic Chemistry I (Fundamentals & Functional Groups)

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6 sample questions

Question 1.
What is the general formula for alkanes?
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Think about how many hydrogen atoms correspond to carbon atoms.
Question 2.
Name an alkane with 3 carbon atoms.
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Recall the prefixes used for naming alkanes.
3Question 3.
What is the general formula for alkanes?
- C_nH_{2n-2}
- C_nH_{2n}
- C_nH_{2n+2}
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Keep in mind the hydrogen count increases with the number of carbons.
4Question 4.
True or False: Alkanes are generally reactive.
- True
- False
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Think about their bonding and types of reactions they undergo.
Question 5.
Calculate the number of hydrogen atoms in an alkane with 5 carbon atoms.
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Plug in the number of carbon atoms into the general formula.
Question 6.
Explain the significance of branching in alkane molecules and how it affects physical properties.
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Consider the arrangement of atoms and how they interact with each other.

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