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Questions and Answers
What is the general formula for alkanes?
What is the general formula for alkanes?
- CnH2n+2 (correct)
- CnH2n
- CnHn+2
- CnHn
What does the prefix 'iso-' indicate in the context of alkanes?
What does the prefix 'iso-' indicate in the context of alkanes?
- Branched alkanes
- 2-methyl alkanes (correct)
- 3-methyl alkanes
- Unsaturated alkanes
What is the method of nomenclature for alkanes called?
What is the method of nomenclature for alkanes called?
- Systematic nomenclature (IUPAC nomenclature) (correct)
- Traditional nomenclature
- Common nomenclature
- Alkane naming convention
What happens when a hydrogen is replaced by an OH in an alkane?
What happens when a hydrogen is replaced by an OH in an alkane?
How does the number of constitutional isomers change as the number of carbons in alkanes increases?
How does the number of constitutional isomers change as the number of carbons in alkanes increases?
What is the general formula for alkanes?
What is the general formula for alkanes?
What does the prefix 'iso-' indicate in the context of alkanes?
What does the prefix 'iso-' indicate in the context of alkanes?
What does replacing the 'ane' ending of an alkane with 'yl' result in?
What does replacing the 'ane' ending of an alkane with 'yl' result in?
What happens to the number of constitutional isomers as the number of carbons in alkanes increases?
What happens to the number of constitutional isomers as the number of carbons in alkanes increases?
What letter is commonly used to indicate any alkyl group?
What letter is commonly used to indicate any alkyl group?
What is the general formula for alkanes?
What is the general formula for alkanes?
What does the prefix 'iso-' indicate in the context of alkanes?
What does the prefix 'iso-' indicate in the context of alkanes?
What is the method of nomenclature for alkanes called?
What is the method of nomenclature for alkanes called?
What happens when a hydrogen is replaced by an OH in an alkane?
What happens when a hydrogen is replaced by an OH in an alkane?
How does the number of constitutional isomers change as the number of carbons in alkanes increases?
How does the number of constitutional isomers change as the number of carbons in alkanes increases?
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Study Notes
Alkanes
- The general formula for alkanes is CnH2n+2.
Nomenclature of Alkanes
- The method of nomenclature for alkanes is called the IUPAC (International Union of Pure and Applied Chemistry) system.
Prefix 'iso-'
- The prefix 'iso-' indicates a branch in the hydrocarbon chain.
Replacing Hydrogen with OH
- When a hydrogen is replaced by an OH in an alkane, it forms an alcohol.
Constitutional Isomers
- The number of constitutional isomers increases rapidly as the number of carbons in alkanes increases.
Alkyl Groups
- The letter 'R' is commonly used to indicate any alkyl group.
Functional Groups
- Replacing the 'ane' ending of an alkane with 'yl' results in an alkyl halide functional group.
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