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Chemical Properties of Alkanes - 1 Video Lecture | Chemistry Class 11 - NEET

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1. What are the chemical properties of alkanes?
Ans. Alkanes are hydrocarbons that are known for their relatively inert nature due to the presence of only single covalent bonds between carbon atoms. Some important chemical properties of alkanes include low reactivity, resistance to oxidation, and combustion to produce carbon dioxide and water.
2. How do alkanes react with halogens?
Ans. Alkanes can undergo a substitution reaction with halogens (e.g., chlorine or bromine) in the presence of heat or light. This reaction involves the replacement of a hydrogen atom in the alkane with a halogen atom, resulting in the formation of a halogenated alkane (alkyl halide).
3. Can alkanes undergo combustion reactions?
Ans. Yes, alkanes are highly flammable and can undergo combustion reactions. When alkanes react with oxygen in the presence of a flame or spark, they combust to produce carbon dioxide and water. This combustion reaction releases a significant amount of heat energy.
4. Do alkanes react with acids or bases?
Ans. Alkanes are generally unreactive towards both acids and bases due to their nonpolar nature. They do not undergo typical acid-base reactions. However, under certain conditions, alkanes can react with strong oxidizing agents or undergo catalytic cracking in the presence of acids.
5. How do alkanes react with oxygen?
Ans. Alkanes can react with oxygen in the presence of a flame or spark to undergo combustion. This reaction is exothermic and releases heat energy. During combustion, the carbon atoms in the alkane combine with oxygen to form carbon dioxide (CO2) and the hydrogen atoms combine with oxygen to form water (H2O).
172 videos|306 docs|152 tests
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