NEET mcqs on hydrocarbons
Hydrocarbons are an important topic in the NEET exam, accounting for a significant portion of the chemistry section. This is because hydrocarbons are the simplest organic compounds and serve as the building blocks for more complex organic molecules. Hydrocarbons are also used in a wide variety of products, including fuels, plastics, and pharmaceuticals.
Thank you for reading this post, don't forget to subscribe!Here are some of the reasons why hydrocarbons are important in the NEET exam:
- Hydrocarbons are a major part of the NEET chemistry syllabus. On average, 30-36% of the chemistry questions in the NEET exam are based on hydrocarbons.
- Hydrocarbons are essential for understanding other chapters in organic chemistry. Topics such as alkyl halides, alcohols, ethers, aldehydes, ketones, and carboxylic acids are all derived from hydrocarbons.
- Hydrocarbons are important for understanding the reactions of organic molecules. Many of the reactions that occur in living organisms involve hydrocarbons.
- Hydrocarbons are used in a wide variety of products that are essential for human life. This includes fuels, plastics, pharmaceuticals, and synthetic materials.
Here are some NEET multiple-choice questions (MCQs) on hydrocarbons along with their answers:
**1. Which of the following is not a hydrocarbon?**
a) Methane
b) Ethanol
c) Benzene
d) Propane
**Answer: b) Ethanol**
**2. How many carbon atoms are there in a molecule of butane?**
a) 1
b) 2
c) 3
d) 4
**Answer: d) 4**
**3. What is the general formula of an alkane?**
a) CnH2n
b) CnH2n+2
c) CnH2n-2
d) CnHn
**Answer: b) CnH2n+2**
**4. Which of the following hydrocarbons has a triple bond between carbon atoms?**
a) Alkane
b) Alkene
c) Alkyne
d) Aromatic hydrocarbon
**Answer: c) Alkyne**
**5. Which hydrocarbon is a major component of natural gas?**
a) Ethane
b) Methane
c) Butane
d) Propane
**Answer: b) Methane**
**6. What is the molecular formula of benzene?**
a) C3H8
b) C6H12
c) C6H6
d) C4H10
**Answer: c) C6H6**
**7. Which of the following hydrocarbons is also known as propene?**
a) C2H6
b) C3H6
c) C3H8
d) C4H8
**Answer: b) C3H6**
**8. What is the name of the process by which unsaturated hydrocarbons become saturated with hydrogen?**
a) Polymerization
b) Hydrogenation
c) Isomerization
d) Halogenation
**Answer: b) Hydrogenation**
**9. Which type of hydrocarbon has a ring structure containing alternating double bonds?**
a) Alkane
b) Alkene
c) Alkyne
d) Aromatic hydrocarbon
**Answer: d) Aromatic hydrocarbon**
**10. What is the IUPAC name for CH3-CH2-CH2-CH3?**
a) Methane
b) Ethene
c) Propane
d) Butane
**Answer: c) Propane**
These questions should help you test your knowledge of hydrocarbons. Make sure to review the answers and explanations to reinforce your understanding of the topic.
JEE mcqs on hydrocarbons with answers
Here are some JEE multiple-choice questions (MCQs) on hydrocarbons along with their answers:
**1. Which of the following is a hydrocarbon?**
a) H2O
b) CO2
c) CH4
d) NH3
**Answer: c) CH4**
**2. What is the general formula for an alkane?**
a) CnH2n
b) CnH2n+1
c) CnHn
d) CnHn-2
**Answer: b) CnH2n+1**
**3. Which type of hydrocarbon contains at least one triple bond between carbon atoms?**
a) Alkane
b) Alkene
c) Alkyne
d) Aromatic compound
**Answer: c) Alkyne**
**4. What is the name of the simplest aromatic hydrocarbon consisting of a single ring?**
a) Methane
b) Ethene
c) Benzene
d) Butane
**Answer: c) Benzene**
**5. Which of the following is an unsaturated hydrocarbon?**
a) Ethane
b) Propane
c) Ethene
d) Butane
**Answer: c) Ethene**
**6. What is the name of the hydrocarbon with the molecular formula C6H14?**
a) Hexane
b) Heptane
c) Pentane
d) Butane
**Answer: a) Hexane**
**7. Which hydrocarbon can undergo addition reactions due to its double bond?**
a) Alkane
b) Alkene
c) Alkyne
d) Aromatic compound
**Answer: b) Alkene**
**8. What is the hybridization of carbon atoms in alkanes?**
a) sp
b) sp2
c) sp3
d) sp3d
**Answer: c) sp3**
**9. Which of the following is an isomer of butane?**
a) Ethane
b) Propane
c) Pentane
d) Isobutane
**Answer: d) Isobutane**
**10. Which type of hydrocarbon contains only single bonds between carbon atoms?**
a) Alkane
b) Alkene
c) Alkyne
d) Aromatic compound
**Answer: a) Alkane**
These questions should help you test your knowledge of hydrocarbons. If you have any more specific questions or need further clarification on any topic, please feel free to ask!
Here are some of the important topics in hydrocarbons that are covered in the NEET 2024 exam:
- Classification of hydrocarbons
- Nomenclature of hydrocarbons
- Isomerism in hydrocarbons
- Physical and chemical properties of hydrocarbons
- Preparation of hydrocarbons
- Reactions of hydrocarbons
Students who are preparing for the NEET exam should make sure to thoroughly understand all of the topics listed above. They should also practice solving questions from previous NEET exams to get a better understanding of the types of questions that are asked.
Here are some tips for studying hydrocarbons for the NEET exam:
- Make sure to understand the basic concepts. This includes understanding the different types of hydrocarbons, their classification, nomenclature, and isomerism.
- Practice solving questions from previous NEET exams. This will help you to get a better understanding of the types of questions that are asked and the level of difficulty.
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