5 Questions
Which of the following is a group functional in organic compounds?
CH3
Which family of organic compounds does CH3 belong to?
Alkanes
Which of the following is the IUPAC name for the given molecule: (CH3)2CHCH2CH2CH3?
2-methylpentane
What is the semi-developed structural formula for the compound 2,2,4-trimethylpentane?
CH3CH(CH3)CH(CH3)CH2CH3
What are the primary and secondary carbons in the compound 4-ethyl-2,3-dimethylheptane?
Primary: 4th carbon; Secondary: 2nd and 3rd carbons
Study Notes
Organic Compounds
- A functional group is a specific group of atoms within a molecule that determines the molecule's reactivity and function in organic compounds.
Alkyl Groups
- CH3 is an alkyl group, specifically a methyl group.
IUPAC Nomenclature
- The IUPAC name for the molecule (CH3)2CHCH2CH2CH3 is 2,2-dimethylpentane.
Structural Formulae
- The semi-developed structural formula for the compound 2,2,4-trimethylpentane is (CH₃)₂CHCH₂C(CH₃)₂CH₃.
Carbon Atoms
- In the compound 4-ethyl-2,3-dimethylheptane:
- Primary carbons are those bonded to only one other carbon atom.
- Secondary carbons are those bonded to two other carbon atoms.
- The primary carbons are C1, C4, and C7.
- The secondary carbons are C2, C3, and C5.
Test your knowledge of organic chemistry with this quiz on nomenclature and physical properties of organic compounds. Identify the functional group and determine the compound's family for each given structure. Explore linear and branched alkanes in another set of exercises.
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