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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-2
- CnHn
- CnHn+2
What is a characteristic of alkanes?
What is a characteristic of alkanes?
- They have low boiling and melting points. (correct)
- They are insoluble in non-polar solvents.
- They are highly reactive.
- They are typically found in inorganic matter.
What is a use of hydrocarbons?
What is a use of hydrocarbons?
- Energy production and manufacturing of plastics (correct)
- Manufacturing of cement
- Medical applications
- Food production
What is the main difference between saturated and unsaturated hydrocarbons?
What is the main difference between saturated and unsaturated hydrocarbons?
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What is a type of hydrocarbon that has single bonds between carbon atoms?
What is a type of hydrocarbon that has single bonds between carbon atoms?
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What is the scope of organic chemistry?
What is the scope of organic chemistry?
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Study Notes
Organic Chemistry
- Study of carbon-based compounds and their properties
- Carbon atoms can form long chains, branches, and rings due to their ability to form multiple bonds
- Organic compounds are typically found in living organisms, but can also be synthesized in a laboratory
Alkanes
- Saturated hydrocarbons, meaning they have only single bonds between carbon atoms
- General formula: CnH2n+2
- Examples: methane (CH4), ethane (C2H6), propane (C3H8)
- Properties:
- Low boiling and melting points
- Insoluble in water, but soluble in non-polar solvents
- Relatively unreactive, except for combustion reactions
Hydrocarbons
- Compounds consisting of only hydrogen and carbon atoms
- Can be classified into two main categories:
- Saturated hydrocarbons (alkanes): single bonds between carbon atoms
- Unsaturated hydrocarbons (alkenes and alkynes): one or more multiple bonds between carbon atoms
- Hydrocarbons are the primary components of fossil fuels, such as petroleum and natural gas
- Uses:
- Energy production (fuels, electricity)
- Manufacturing of plastics, dyes, and other chemicals
- Lubricants and solvents
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