CBSE Class 11 Chemistry The s Block Elements Assignment

Read and download free pdf of CBSE Class 11 Chemistry The s Block Elements Assignment. Get printable school Assignments for Class 11 Chemistry. Class 11 students should practise questions and answers given here for Chapter 10 The S-Block Elements Chemistry in Class 11 which will help them to strengthen their understanding of all important topics. Students should also download free pdf of Printable Worksheets for Class 11 Chemistry prepared as per the latest books and syllabus issued by NCERT, CBSE, KVS and do problems daily to score better marks in tests and examinations

Assignment for Class 11 Chemistry Chapter 10 The S-Block Elements

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

Chapter 10 The S-Block Elements Class 11 Chemistry Assignment

ONE MARK QUESTIONS

1. Explain giving reasons:

a) Lithium is not used in photoelectric cells.

b) Magnesium does not impart colour to flame.

c) Potassium carbonate cannot be prepared by Solvay process.

d) Lithium carbonate is stored in an atmosphere of CO2.

e) Stability of group II carbonates increase down the group.

f) Aqueous solution of Na2CO3 is alkaline to litmus.

g) BeO is insoluble in water, while BaO is soluble.

h) Be is kinetically inert to oxygen and water.

i) Plaster of Paris is used to set fractures bones.

j) Gypsum is added to cement.

k) CsI is insoluble in water.

TWO MARKS QUESTIONS

1. Draw the structures of BeCl2 in the vapour state below 1200 K and in the solid state.

2. Illustrate the anomalous behaviour of Li and Be.

3. Illustrate the diagonal relationship between Be-Al

4. Give reasons

a) Mobilities of alkali metal cations increase down the group.

b) Sodium does not form superoxide

5 Why is MgSO4 soluble in water whereas BaSO4 is insoluble in water?

6 Explain why group I metals are not be obtained by chemical reduction of their salts ?

THREE MARKS QUESTIONS

1 What happens when (give balanced equations)
a) CO2 is passed through limewater; in excess.
b) Calcium nitrate is heated
c) Sodium nitrate is heated

2 Give balanced chemical equations for the following
a) Chlorine reacts with slaked lime
b) BeCl2 is reacted with lithium aluminium hydride.
c) Hydrated magnesium chloride is heated.

3 Explain giving reasons
a) LiCl is hydrated while NaCl is not.
b) LiF is insoluble in water.
c) The E0 value of Li is the most negative among alkali metals.

VALUE BASED QUESTION (FOUR MARKS)

1 Quicklime is prepared by thermal decomposition of limestone in tall furnaces called kiln.
During such an operation, the top of the Chimney of the kiln was closed. After one week when the kiln was opened it was observed that very little lime was formed. The workers reported the poor result to the Production engineer who suggested them to increase the height of the chimney. But there was no improvement in the production of lime. Ultimately the production engineer approached his former chemistry professor and narrated the problem. The professor suggested him to keep the top of the chimney opened. This helped.
a) Represent the thermal decomposition of lime stone by a chemical equation.
b) Why was the production of lime not satisfactory when the top of the chimney was closed?
c) How did the suggestion of the professor help in the improvement of the production of lime?
d) Mention the value associated with this incidence.

Chapter 04 Chemical Bonding and Molecular Structure
CBSE Class 11 Chemistry Chemical Bonding and Molecular Structure Assignment
Chapter 12 Organic Chemistry – Some Basic Principles & Techniques
CBSE Class 11 Chemistry Organic Chemistry Assignment

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CBSE Class 11 Chemistry Chapter 10 The S-Block Elements Assignment

We hope you liked the above assignment for Chapter 10 The S-Block Elements which has been designed as per the latest syllabus for Class 11 Chemistry released by CBSE. Students of Class 11 should download and practice the above Assignments for Class 11 Chemistry regularly. We have provided all types of questions like MCQs, short answer questions, objective questions and long answer questions in the Class 11 Chemistry practice sheet in Pdf. All questions have been designed for Chemistry by looking into the pattern of problems asked in previous year examinations. 

Assignment for Chemistry CBSE Class 11 Chapter 10 The S-Block Elements

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Chapter 10 The S-Block Elements Assignment Chemistry CBSE Class 11

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Chapter 10 The S-Block Elements Assignment CBSE Class 11 Chemistry

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CBSE Chemistry Class 11 Chapter 10 The S-Block Elements Assignment

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