Class 11 Chemistry The s Block Element Exam Questions

Read and download free pdf of Class 11 Chemistry The s Block Element Exam Questions. Students and teachers of Class 11 Chemistry can get free advanced study material, revision notes, sure shot questions and answers for Class 11 Chemistry prepared as per the latest syllabus and examination guidelines in your school. Class 11 students should download this study material which will give them more knowledge for all chapters in Chemistry and all important topics which are scoring and can get you more marks. Students should also download free pdf of Chapter wise Notes for Class 11 Chemistry prepared by school teachers as per the latest NCERT, CBSE, KVS books and syllabus issued this year and also download free worksheets and question papers available here to get higher scores in school exams and tests, also click here for more Study Material for Class 11 Chemistry

Study Material for Class 11 Chemistry Chapter 10 The s Block Elements

Class 11 Chemistry students should refer to the following Pdf for Chapter 10 The s Block Elements in Class 11. These notes and test paper with questions and answers for Class 11 Chemistry will be very useful for exams and help you to score good marks

Class 11 Chemistry Chapter 10 The s Block Elements

LEVEL – 1

1. Name the alkali metal which form superoxide when heated in excess of air.
Ans: Potassium
 
2. LiCl is more soluble in organic solvent, why?
Ans: It is due to covalent in nature.
 
3. Explain why Sodium is less reactive than Potassium?
Ans: Due to less metallic character of sodium
 
4. Why are Potassium, and Cesium , rather lithium can be used in photoelectric cell ?
Ans: Due to lesser ionisation enthalphy.
 
5. Lithium is the only alkali metal to form nitride.
Ans: Due to diagonal relationship with Mg.
 
6. Name the radioactive element of group 1 and 2.
Ans: Fr and Ra
 
7. Explain why alkali and alkaline earth metals cannot be obtained by chemical reduction?
Ans: They are better reducing agent than C and CO.
 
LEVEL – 2

1. Explain the following :
(i) The mobility of the alkali metal ion in aqueous solution are :
(ii) Lithium is the only alkali metal to form nitride directly.
Ans: (i) The magnitude of hydration enthalphy decreases down the group so the size of the hydrated ion decreases down the group. (ii) Due to diagonal relationship with Mg.
 
2. ‘The chemistry of beryllium is not essentially ionic’. Justify the statement by making a reference of beryllium.
Ans: It is due to high polarising power of Be cation its compound are covalent in nature.
 
3. When alkali metal dissolves in liquid ammonia, the solution gives deep blue colour which is conducting in nature .Why?
Ans: Due to ammoniated cation and ammoniated electron.
 
4. Describe the three industrial uses of caustic soda.
Ans: Industrial uses of caustic soda:
(i) In soap industries
(ii) In the laboratory
(iii) In cotton industries.
 
5. Why it is necessary to add gypsum in the final stages of preparation of cement?
Ans: To increase the time of setting of the cement.
 
6. Beryllium and Magnesium do not give colour to flame whereas other alkaline earth metals do so why?
Ans: Due to high ionisation enthalpy of Be and Mg.
 
7. What happens when
(i) Sodium metal is dropped in water?
(ii) Sodium metal is heated in free supply of air?
(iii) Sodium peroxide is dissolved in water?
Ans: (i) NaOH is formed. (ii) Na2O2 is formed (iii) NaOH and H2O2is formed.
 
8. What happen when
(i) Calcium nitrate is heated?
(ii) Chlorine reacts with slaked lime?
(iii) Magnesium is burnt in air?
Ans: (i) CaO and O2 and NO2 (ii) bleaching powder is formed. (iii) MgO is formed.
 
EVEL – 3

1. Write balanced equation for the reaction between :
(i) KO2 and water
(ii) BeO + H2SO4
(iii) Ca(OH)2 + Cl2

Class 11 Chemistry Redox Reactions Exam Questions-14


2. Give a brief account of the following :
(i) Blue colour solutions of alkali metals in liquid ammonia.
(ii) Tendency to form divalent compounds of alkaline earth metals than monovalent.
(iii) Tendency to give flame colours by alkali metals.
Ans:
(i) Due to the presence of ammoniated electron.
(ii) In divalent oxidation state the octet is complete.
(iii) Due to less ionisation enthalpy of alkali metals.
 
 
Chapter 04 Chemical Bonding and Molecular Structure
Class 11 Chemistry Chemical Bonding and Molecular Structure Exam Questions

More Study Material

CBSE Class 11 Chemistry Chapter 10 The s Block Elements Study Material

We hope students liked the above Study Material for Chapter 10 The s Block Elements designed as per the latest syllabus for Class 11 Chemistry released by CBSE. Students of Class 11 should download the Study Material in Pdf format, read the notes and related questions and solutions given in above Class 11 Chemistry Study Material on daily basis. All latest Study Material have been developed for Chemistry by referring to the most important and regularly asked topics which the students should learn and practice to get better score in school tests and examinations. Studiestoday is the best portal for Class 11 students to get all latest study material free of cost.

Study Material for Chemistry CBSE Class 11 Chapter 10 The s Block Elements

Expert teachers of studiestoday have referred to NCERT book for Class 11 Chemistry to develop the Chemistry Class 11 Study Material. If you download Study Material for the above chapter daily, you will get higher and better marks in Class 11 test and exams in the current year as you will be able to have stronger understanding of all concepts. Daily reading of Chemistry study material will help students to have stronger understanding of all concepts and also make them expert on all critical topics. You can easily download and save all Study Material for Class 11 Chemistry also from www.studiestoday.com without paying anything in Pdf format. After solving the questions given in the Study Material which have been developed as per latest course books also refer to the NCERT solutions for Class 11 Chemistry designed by our teachers

Chapter 10 The s Block Elements Study Material Chemistry CBSE Class 11

All Study Material given above for Class 11 Chemistry have been made as per the latest syllabus and books issued for the current academic year. The students of Class 11 can refer to the answers which have been also provided by our teachers for all Study Material of Chemistry so that you are able to solve the questions and then compare your answers with the solutions provided by us. We have also provided lot of MCQ questions for Class 11 Chemistry so that you can solve questions relating to all topics given in each chapter. Also download Class 11 Chemistry Sample Papers given on studiestoday.

Chapter 10 The s Block Elements CBSE Class 11 Study Material Chemistry

Regular Study Material reading helps to gain more comprehensive understanding of Chapter 10 The s Block Elements concepts. Study Material play an important role in developing understanding of Chapter 10 The s Block Elements in CBSE Class 11. Students can download and save or print all the Study Material, printable assignments, practice sheets of the above chapter in Class 11 Chemistry in Pdf format from studiestoday. You can print or read them online on your computer or mobile or any other device. After solving these you should also refer to Class 11 Chemistry MCQ Test for the same chapter

CBSE Study Material Chemistry Class 11 Chapter 10 The s Block Elements

CBSE Class 11 Chemistry best textbooks have been used for writing the problems given in the above Study Material. If you have tests coming up then you should revise all concepts relating to Chapter 10 The s Block Elements and then take out print of the above Study Material and attempt all problems. We have also provided a lot of other Study Material for Class 11 Chemistry which you can use to further make yourself better in Chemistry.

How to download CBSE Class 11 Chemistry Chapter 10 The s Block Elements study material

You can download free study material for Class 11 Chemistry Chapter 10 The s Block Elements for latest academic session from StudiesToday.com

Can I download study material for Chapter 10 The s Block Elements Class 11 Chemistry in Pdf format

Yes, you can click on the link above and download PDFs for Class 11 Chemistry Chapter 10 The s Block Elements easily for regular use

Is the study material for Chapter 10 The s Block Elements Class 11 Chemistry for the latest CBSE academic session

Yes, the study material given here for Class 11 Chemistry Chapter 10 The s Block Elements is for current CBSE session

Can I download Chapter 10 The s Block Elements Class 11 Chemistry study notes in pdf

You, just click the link above and save Class 11 study material for Chemistry Chapter 10 The s Block Elements in Pdf

Is there any charge for Class 11 Chemistry Chapter 10 The s Block Elements concepts and study material

All study maetrial for CBSE Class 11 Chemistry Chapter 10 The s Block Elements is free

Tell me the best website to get study material for Chapter 10 The s Block Elements Class 11 Chemistry

www.studiestoday.com is the best portal for Chapter 10 The s Block Elements Chemistry Class 11 study material

How to get topic-wise study material for Class 11 Chemistry Chapter 10 The s Block Elements

Visit www.studiestoday.com for best study material for Class 11 Chemistry Chapter 10 The s Block Elements

How to print Chapter 10 The s Block Elements Class 11 Chemistry study notes as per CBSE syllabus

All study material for various topics of Class 11 Chemistry Chapter 10 The s Block Elements as per latest CBSE syllabus is avaiable here