CBSE Class 10 students preparing for the 2026 board examinations should focus on the Chemistry paper. The Class 10 Science paper, which includes Chemistry, is scheduled for February 28, 2026 . A critical chapter for scoring well is "Carbon and its Compounds." This chapter often features important 3-mark questions that can significantly boost overall marks.
The "Carbon and its Compounds" chapter introduces students to fundamental concepts of organic chemistry. It explains carbon’s unique ability to form many diverse compounds. Students will learn about how carbon atoms bond, different types of hydrocarbons, and functional groups that define a compound’s chemical properties. Understanding these basic ideas is crucial, as they build the foundation for advanced chemistry studies later.
Importance of "Carbon and its Compounds" for Your Score
This chapter carries a good weightage in the Science paper. Many questions from this section are 3-mark questions. These questions often test a student's grasp of concepts, ability to draw structures, write chemical equations, or explain reactions. Mastering these 3-mark questions can clearly improve a student's total score in the exam.
Important 3-Mark Questions for 2026 Exam
Here are 10 important questions from the "Carbon and its Compounds" chapter. Many of these have been asked in previous CBSE Class 10 board exams. Students should practice these questions carefully for the 2026 Chemistry paper.
- What is the role of concentrated sulphuric acid in the esterification reaction?
- How many structural isomers can you draw for pentane? Name them:
- n-pentane
- iso-pentane
- What are esters? Write an equation to show the formation of an ester.
- Draw the structures of the following compounds:
- Ethanoic acid
- Bromopentane
- Butanone
- What will be the formula and electron dot structure for cyclopentane?
- Give names of the following:
- An aldehyde derived from ethane
- Ketone derived from butane
- The compound obtained by the oxidation of ethanol by chromic anhydride
- Give a chemical test to distinguish between:
- Ethene and ethane
- Ethanol and ethanoic acid
- Soaps and Detergents
- What will be the formula and electron dot structure of cyclopentane?
- What is meant by denatured alcohol? What is the need to denature alcohol?
- Write three differences between ethanol and ethanoic acid based on chemical properties.
Tips for Preparing This Chapter
To prepare effectively and answer these 3-mark questions well, students should:
- Understand Core Concepts: Focus on carbon's unique bonding, different hydrocarbons (like alkanes, alkenes, alkynes), and main functional groups (alcohol, aldehyde, ketone, carboxylic acid).
- Practice Structures: Regularly draw electron dot structures and structural formulas. This helps in understanding isomerism.
- Learn Reactions: Understand key chemical reactions such as esterification and oxidation, and how to perform tests to identify compounds.
- Solve Past Papers: Practice questions from previous board exams to get familiar with question types and patterns.
- Review Definitions: Make sure to clearly understand terms like denatured alcohol, isomers, and functional groups.
By preparing carefully, practicing these questions, and understanding the core ideas, students can feel confident for the "Carbon and its Compounds" section of the CBSE Class 10 Chemistry paper on February 28, 2026 . Focused study will help improve your exam scores.
