IIT JEE : Solid State QUESTIONS AND ANSWERS :: part1 : 21 to 25
Following IIT JEE Entrance Multiple choice objective type questions and answers will help you in Maths, Physics and Chemistry 2024 examinations :
21.A binary solid AB having radius ratio 0.52 is most likely to have |
| zinc blende structure |
| rock-salt structure |
| fluorite structure |
| antifluorite structure. |
22.In antifluorite structure what percentage of the tetrahedral voids is occupied by cations? |
| 0% |
| 50% |
| 100% |
| 25%. |
23.Number of mirror planes in a cube is |
| 4 |
| 6 |
| 9 |
| 5 |
24.Ionic solids with Schottky defects contain in their structures |
| equal number of cation and anion vacancies |
| interstitial anions and anion vacancies |
| cation vacancies only |
| cation vacancies and interstitial cations. |
25.A metal M has FCC arrangement and edge length of the unit cell is 400 pm. The atomic radius of M is |
| 100 pm |
| 200 pm |
| 141 pm |
| 173 pm. |
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