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Questions and Answers
Which of the following statements about alkanes is correct?
Which of the following statements about alkanes is correct?
- Alkanes are unsaturated hydrocarbons.
- Alkanes have a general formula of CnH2n+2. (correct)
- Alkanes contain only carbon atoms.
- Alkanes have double bonds between carbon atoms.
What is the general formula for alkanes?
What is the general formula for alkanes?
- CnH2n
- Cn
- CnH2n+2 (correct)
- CnHn
Which of the following is an isomer of tetradecane?
Which of the following is an isomer of tetradecane?
- Methane
- Cyclohexane
- Pentacontane
- 6-ethyl-2-methyl-5-(1-methylethyl) octane (correct)
Flashcards
Alkane General Formula
Alkane General Formula
Alkanes are saturated hydrocarbons with single bonds only. Their general formula is CnH2n+2, where 'n' is the number of carbon atoms.
Isomer
Isomer
A compound with the same molecular formula but a different structural formula. They have the same number of atoms of each element, but the atoms are arranged differently.
Isomer Example
Isomer Example
6-ethyl-2-methyl-5-(1-methylethyl) octane is an isomer of tetradecane because it has the same number of carbon and hydrogen atoms but a different arrangement.
Study Notes
Alkanes
- The general formula for alkanes is CnH2n+2.
Isomers of Tetradecane
- Octadecane is an isomer of tetradecane.
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