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The four types of hydrocarbons are alkanes, alkenes, alkynes, and aromatic hydrocarbons. These are categorized based on the type of bonds between the carbon atoms.
What are 7 carbons called?
A hydrocarbon with seven carbon atoms is called heptane if it is an alkane, heptene if it is an alkene, or heptyne if it is an alkyne.
What are 5 examples of hydrocarbons?
Five examples of hydrocarbons are methane, ethane, propane, benzene, and butane. These include both aliphatic and aromatic hydrocarbons.
What is the formula of hydrocarbons?
The general formula of hydrocarbons depends on their type: alkanes (CnH2n+2), alkenes (CnH2n), alkynes (CnH2n-2), and aromatic hydrocarbons (varies based on structure).
Hydrocarbon NEET Notes 2025 PDF, Download Now
Hydrocarbon NEET Notes, Get simplified Hydrocarbons NEET notes for 2025. Understand key concepts, chapter weightage, preparation tips, and access free PDF.
Soumya Tiwari27 Jan, 2025
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Hydrocarbons NEET Notes: Hydrocarbon
are an essential chapter in organic chemistry, forming the foundation for many advanced topics. Understanding hydrocarbons is critical for NEET aspirants, as it helps in solving a variety of questions related to chemical reactions, mechanisms, and properties. This chapter is not just important for exams but also builds a base for future studies in chemistry. Hydrocarbons carry a consistent weightage in the
NEET exam
every year. Questions from this chapter test your conceptual understanding and application skills.
Hydrocarbons
are organic compounds made up of only carbon and hydrogen atoms. They are divided into alkanes, alkenes, alkynes, and aromatic hydrocarbons. This chapter introduces the properties, reactions, and uses of these compounds, helping students understand the basics of organic chemistry. By learning hydrocarbons, students can develop a clear understanding of reaction mechanisms, which are essential for solving organic chemistry questions in NEET.
Hydrocarbon NEET Notes PDF
PhysicsWallah provides a detailed PDF for the Hydrocarbons chapter under the
Prachand Batch NEET 2025
. This PDF includes a comprehensive explanation of each topic, making it easier for students to understand and revise.
This chapter is also available on YouTube for free, where you can watch detailed lectures and enhance your preparation. With these resources, students can confidently prepare for the hydrocarbons portion of the NEET syllabus.
Hydrocarbons are organic compounds made up of only two elements: carbon and hydrogen. They are the simplest form of organic molecules and serve as the building blocks for many other compounds. Hydrocarbons can be classified into two main categories:
Alkanes (Saturated Hydrocarbon):
These hydrocarbons have only single bonds between carbon atoms. They are also known as paraffins. Examples include methane (CH₄), ethane (C₂H₆), and propane (C₃H₈).
Unsaturated Hydrocarbons
: These hydrocarbons have one or more double or triple bonds between carbon atoms.
Alkenes:
Contain at least one double bond between carbon atoms. Example: ethene (C₂H₄).
Alkynes
: Contain at least one triple bond between carbon atoms. Example: ethyne (C₂H₂).
Weightage of Hydrocarbon NEET Notes - Last 5 Years
Weightage Following Previous Year’s Trends (2020-2024)
Chapter
Easy
Medium
Hard
Total
Average Q/yr
Weightage
Hydrocarbons
1
9
3
13
2.60
4.94%
Based on this trend, hydrocarbons have a weightage of around 4.94%, which highlights its significance for NEET preparation.
NEET Chapter Wise Weightage 2025 for Chemistry
Topics
Weightage (%)
Hydrocarbons
7%
Importance of Hydrocarbon NEET Notes
Hydrocarbons is an important chapter because it lays the groundwork for understanding many topics in organic chemistry. It also helps in solving reaction-based questions effectively.
Many questions directly test concepts like reaction mechanisms and product prediction.
The knowledge of hydrocarbons is useful for understanding other organic chemistry chapters.
This chapter strengthens problem-solving skills in organic chemistry.
Tips for Hydrocarbon NEET Notes
To prepare hydrocarbon effectively, focus on the basics and practice regularly. This chapter becomes easier with consistent revision and problem-solving.
Start by understanding the classification and properties of hydrocarbons.
Learn reaction mechanisms thoroughly, as they are the backbone of organic chemistry.
Solve previous years’ NEET questions to understand the pattern and level of difficulty.
Use detailed notes and videos provided by PW to improve your understanding.
Prepare for NEET with
PW Online NEET Coaching
! Our courses offer structured lessons, clear explanations of concepts, and interactive classes to support your NEET preparation effectively.
