Subject specialists have created NCERT Solutions for Chemistry Class 11 Chapter 1 which includes thorough solutions for reference. These solutions are updated according to the latest term – I CBSE syllabus for 2012-22 and are provided in easy language for understanding. Tips and tricks are also provided.

These solutions are provided so a student can clear his doubts and get help with a deep understanding of the concept. Also, you can refer them to make the chapter notes and revisions notes. You can also download PDF from the link

**NCERT Solutions for Class 11 Chemistry Chapter 1: Some Basic Concepts of Chemistry**

**“**Some Basic Concepts of Chemistry**” **is the first chapter in the Class 11 Chemistry syllabus as told by NCERT under the first term. The chapter includes topics such as the importance of Chemistry, atomic mass, and molecular mass. Some basic laws and theories in Chemistry that are Dalton’s atomic theory, Avogadro law, and the law of conservation of mass are also included in this chapter.

The types of questions provided in this chapter include:

- Numerical problems include calculations of the molecular weight of compounds.
- Numerical problems include calculations of the mass percent and concentration.
- Problems on empirical and molecular formulae.
- Problems on molarity and molality.
- Other problems included in the mole concept (such as percentage composition and expressing concentration in parts per million).

The NCERT Solutions of Chemistry given on this page for Class 11 Chapter 1 contains detailed ideas on the steps which have to be followed while solving the numerical value questions that are repeatedly asked in first term examinations. The subtopics covered in the chapter are given below.

**Subtopics of NCERT Solutions of this Chapter**

- Importance Of Chemistry
- Nature Of Matter
- Properties Of Matter And Their Measurement
- The International System Of Units (Si)
- Mass And Weight
- Uncertainty in Measurement
- Scientific Notation
- Significant Figures
- Dimensional Analysis
- Laws Of Chemical Combinations
- Law Of Conservation Of Mass
- Law Of Definite Proportions
- Law Of Multiple Proportions
- Gay Lussac’s Law Of Gaseous Volumes
- Avogadro Law
- Dalton’s Atomic Theory
- Atomic And Molecular Masses
- Atomic Mass
- Average Atomic Mass
- Molecular Mass
- Formula Mass
- Mole Concept And Molar Masses
- Percentage Composition
- Empirical Formula For Molecular Formula
- Stoichiometry And Stoichiometric Calculations
- Limiting Reagent
- Reactions In Solutions

**About Infinity Learn Solutions**

Infinity Learn’s mission is to create world-class learning content for students. We are focused on raising the students learning abilities. These Solutions have been structured very carefully to give several benefits to the students that utilize these study materials. That is why these are crafted by subject matter experts to focus on the concept and its explanation.

For any type of support related to the NCERT Solutions for Class 11 given here, students can approach our support team who will help clear all their doubts. Students can also check out the Infinity Learn website for a more efficient learning experience.

**Frequently Asked Questions on NCERT Solutions of this chapter**

- Why should we download these NCERT Solutions?
- Is the Infinity Learn website providing answers to these NCERT Solutions?
- Give an overview of questions present in these NCERT Solutions?

**1. Why should we download these NCERT Solutions?**

The presentation of each solution in this chapter is described in a unique way by the subject matter experts in Chemistry. The solutions are explained in easy language which improves grasping abilities among students. For scoring good marks, practicing these Solutions for Class 11 Chemistry can help to a large extent. This chapter can also be used as a model of reference by the students to improve their conceptual knowledge and learn the different ways used to solve the problems.

**2. Is the Infinity Learn website providing answers to these NCERT Solutions?**

Yes, the Infinity Learn website provides answers to NCERT Solutions for this chapter in a step-by-step manner. This helps the students to understand all the concepts in detail and they can also clear their doubts as well. Regular practicing can help score high in Chemistry exams.

**3. Give an overview of questions present in these NCERT Solutions?**

NCERT Solutions of this chapter has 3 exercises. The concepts of this chapter are also listed below.

- Numerical problems include calculations of the molecular weight of compounds.

- Numerical problems include calculations of the mass percent and concentration.
- Problems on empirical and molecular formulae.
- Problems on molarity and molality.
- Other problems included in the mole concept (such as percentage composition and expressing concentration in parts per million).