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NCERT Exemplar Class 11 Chemistry Chapter 11 Solutions: The p-Block Elements

NCERT Exemplar Solutions for Class 11 Chemistry Chapter 11 will make you understand about the general trends of p-block elements in the periodic table. Studying the chapter will also develop a brief understanding of general trends in physical and chemical properties of group 13 and group 14 elements. Other main important topics of NCERT Exemplar Class 11 Chemistry Chapter 11 include Anomalous Properties of Boron and Carbon, Uses of Boron and Aluminium and Their Compounds, Some Important Compounds of Boron, Carbon, and Silicon.

Chapter 11 – The p-Block Elements has around 6 exemplar problems and a total number of 50 questions to practice. All these NCERT Exemplar Problems and Solutions provided by Instasolv are completely reliable and will guide you in the right direction to prepare for the CBSE exams as well as entrance exams like JEE and NEET. Our solutions cover the fundamentals on all topics available in the chapter apart along with advanced concepts. 

‘The p-Block Elements’ is an interesting chapter and is a very scoring one if you study it well. To help you master Chapter 11 of NCERT Exemplar Solutions for Class 11 Chemistry, our subject matter experts have prepared detailed answers to each question. Follow the solutions now to score well in the CBSE exams!

Important Topics for NCERT Chemistry Exemplar Solutions Class 11 Chapter 11 – The p-Block Elements

p-Block Elements

The p-block elements are usually found on the right-hand side of the periodic table. They comprise the boron, carbon, oxygen, nitrogen, and fluorine families in addition to the noble gases.

Group 13 Elements: The Boron Family

The group 13 elements contain six elements including boron (B), aluminium (Al), gallium (Ga), Indium (In), thallium (Tl), and element 113.

Some Compounds of Boron

Some of the important compounds of boron are borax, orthoboric acid, and boron hydrides.

Group 14 Elements

Group 14 elements in the p-block consist of carbon (C), silicon (Si), germanium (Ge), tin (Sn), lead (Pb), and flerovium (Fl). Each of these elements contains only two electrons in its outermost p orbital and each has the electron configuration of ns2np2.

Anomalous Behaviour of Carbon

Carbon is peculiar from the other elements of the group. This behaviour is noticed in carbon primarily due to its:

  • High electronegative
  • Small size of the atom
  • High ionization enthalpy
  • Unavailability of d-orbitals

The reasons behind this anomalous behaviour of carbon are because of the following reasons:

  • Catenation
  • Small size of carbon
  • Tetravalency of Carbon

Allotropes of Carbon

There are more than a few allotropes of carbon including Diamond, Graphite, Lonsdaleite, C60, C540, C70, Amorphous carbon, and single-walled carbon nanotube.

Exercise-wise Discussion of NCERT Chemistry Exemplar Solutions Class 11 Chapter 11 – The p-Block Elements

Exercise 11.1 – Multiple Choice Questions I

Exercise 11.1 of NCERT Exemplar Problems Class 11 Chemistry contains 15 multiple-choice questions with solutions.

Exercise 11.2 – Multiple Choice Questions II

In this exercise of Chapter 11 Chemistry, there are a total of 6 multiple-choice questions with solutions. These questions are different from those of the questions in exercise 11.2. In these questions, there might be two or more options that are accurate.

Exercise 11.3 –Short Answer Types Questions

It is an important exercise of Chapter 11 and consists of 13 short answer type questions with solutions based on the important topics of the chapter.

Exercise 11.4 – Match the following

There are 3 exemplar problems in this exercise. These generally match the following types of questions where you have to match the options given in Column A with the correct options given in Column B.

Exercise 11.5 – Assertion and Reason Type

There are 2 exemplar problems in this exercise. In these questions, a statement of Assertion followed by a statement of Reason is given. You have to choose the correct option out of the choices given.

Exercise 11.6 – Long Answer Type Questions

This is the last exercise of the chapter. It contains 10 long answer type questions where you have to provide brief explanations of the exemplar problems given.

Why Use NCERT Chemistry Exemplar Solutions Class 11 Chapter 11 – The p-Block Elements by Instasolv?

  • Our NCERT Class 11 Exemplar solutions are prepared by the expert Chemistry teachers for your assistance to prepare for CBSE Class 11, medical and engineering exams.
  • These solutions are helpful in order to understand the different topics of the chapter completely.
  • They cover all the NCERT Exemplar problems of the chapter exercise-wise.  
  • Referring to these NCERT Exemplar solutions will help you in grasping the concepts with ease.
  • You can also make the notes of the chapter which will come handy at the time of quick revision before the exams.
  • You can follow these NCERT Exemplar Solutions for Class 11 Chemistry provided by Instasolv for free.