CBSE Class 12 Chemistry The Solid State Quiz 1

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CBSE › Class 12 › Chemistry › The Solid State

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1. Which one of the following is non-crystalline or amorphous?

A Diamond B Graphite C Glass D Common Salt

2. NaCl typecrystal (with coordination no. 6 : 6) can be converted into CsCl type crystal (with coordination no. 8 : 8) by applying

A high temperature B high pressure C high temperature and high pressure D low temperature and low pressure

3. How many chloride ions are surrounding sodium ion in sodium chloride crystal ?

A 4 B 8 C 6 D 12

4. In NaCl structure

A all octahedral and tetrahedral sites are occupied B only octahedral sites are occupied C only tetrahedral sites are occupied D neither octahedral nor tetrahedral sites are occupied

5. In Zinc blende structure

A zinc ions occupy half of the tetrahedral sites B each Zn C each S D it has fee structure

6. A unit cell of BaCl

A four Ba B four Ba C eight Ba² ions and four Cl D four Ba² ions and six Cl

7. Alkali halids do not show Frenkel defect because

A cations and anions have almost equal size B there is a large difference in size of cations and anions C cations and anions have low coordination number D anions cannot be accommodated in voids

8. The coordination number of Y will be in the XY types of crystal:

A 6 B 8 C 12 D 4

9. The fraction of the total volume occupied by the atoms present in a simple cube is

A \(\frac{π}{4}\) B \(\frac{π}{6}\) C \(\frac{π}{3√2}\) D \(\frac{π}{4√2}\)

10. Edge length of unit cell of chromium metal is 287 pm with bcc arrangement. The atomic radius is of the order

A 287 pm B 574 pm C 124.27 pm D 143.5 pm

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