CBSE Class 12 Chemistry Solid State Questions

Read and download free pdf of CBSE Class 12 Chemistry Solid State Questions. Get printable school Assignments for Class 12 Chemistry. Class 12 students should practise questions and answers given here for Unit 01 The Solid State Chemistry in Class 12 which will help them to strengthen their understanding of all important topics. Students should also download free pdf of Printable Worksheets for Class 12 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 12 Chemistry Unit 01 The Solid State

Class 12 Chemistry students should refer to the following printable assignment in Pdf for Unit 01 The Solid State in Class 12. This test paper with questions and answers for Class 12 Chemistry will be very useful for exams and help you to score good marks

Unit 01 The Solid State Class 12 Chemistry Assignment

VSA QUESTIONS (1 - MARK QUESTIONS)

1. What are anistropic substances.
 
2. Why are amorphous solids isotropic in nature?
 
3. Why glass is regarded as an amorphous solid?
 
4. Define the term 'crystal lattice.’
 
8. Define the term voids.
 
9. What type of stochiometric defect is shown by (i) ZnS and (ii) CsCl?
 
[Hint. : (i) Frenkel defect (ii) Schottky defect]
 
10. If the formula of a compound is A2B, which sites would be occupied by A ions?
 
[Hint. : Number of A ions is double to B ions, so ions will occupy tetrahedral voids]
 
11. What is the coordination number for
 
(a) an octahedral void
 
(b) a tetrahedral void.
 
[Hint. : (a) 6; (b) 4 ]
 
12. How many octahedral voids are there in 1 mole of a compound having cubic closed packed structure? [Ans. : 1 mole]
 
13. Arrange simple cubic, bcc and fcc lattice in decreasing order of the fraction of the unoccupied space.
 
[Hint. : fcc < bcc < sc]
 
14. How much space is empty in a hexagonal closed packed solid?
 
15. An element crystallises separately both in hcp and ccp structure. Will the two structures have the same density? Justify your answer.
 
[Hint : Both crystal structures have same density because the percentage of occupied space is same.]

16. In NaCl crystal, Cl– ions form the cubic close packing. What sites are occupied by Na+ ions.

17. In Corundum, O2– ions from hcp and Al3+ occupy two third of octahedral voids. Determine the formula of corundum. [Ans. : Al2O3]

18. Why is Frenkel defect not found in pure alkali metal halides?

19. Which point defect is observed in a crystal when a vacancy is created by an atom missing from a lattice site.
 
20. Define the term ‘doping’.

21. Why does conductivity of silicon increase with the rise in temperature.

22. Name the crystal defect which lowers the density of an ionic crystal.

[Ans. : Schottky defect]

23. What makes the crystal of KCl sometimes appear violet?

[Hint : F-Centre]

24. Which point defect in ionic crystal does not alter the density of the relevant solid?

25. Name one solid in which both Frenkel and Schottky defects occur.

26. Which type of defects are known as thermodynamic defects?

[Ans. : Stoichiometric defects]

27. In a p-type semiconductor the current is said to move through holes. Explain.

28. Solid A is very hard, electrical insulator in solid as well as in molten state and melts at extremely high temperature. What type of solid is it?

[Hint : Covalent solid]
 

Please refer to the link below for CBSE Class 12 Chemistry Solid State Questions

Unit 12 Aldehydes, Ketones and Carboxylic Acids
CBSE Class 12 Chemistry Aldehydes Ketons Carboxylic Acids Questions

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CBSE Class 12 Chemistry Unit 01 The Solid State Assignment

We hope you liked the above assignment for Unit 01 The Solid State which has been designed as per the latest syllabus for Class 12 Chemistry released by CBSE. Students of Class 12 should download and practice the above Assignments for Class 12 Chemistry regularly. We have provided all types of questions like MCQs, short answer questions, objective questions and long answer questions in the Class 12 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 12 Unit 01 The Solid State

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Unit 01 The Solid State Assignment Chemistry CBSE Class 12

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Unit 01 The Solid State Assignment CBSE Class 12 Chemistry

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CBSE Chemistry Class 12 Unit 01 The Solid State Assignment

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