CBSE Class 12 Chemistry Solid State Questions

CBSE Class 12 Chemistry Solid State Questions.CBSE,CCE and NCERT students can refer to the attached file. All educational material on the website has been prepared by the best teachers having more than 20 years of teaching experience in various schools. The study material available on our website for all CBSE classes and subjects have been prepared by teachers from all over the country. All study material has been carefully designed keeping into mind the latest CBSE examination trends.  

 

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?
 

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