This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Chemistry (Part I) Chapter 1 Solid State – Quiz 5 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Chemistry (Part I) Chapter 1 Solid State Quiz 5 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Anionic sites occupied by unpaired electrons are called A) F Centres. B) Interstitial Centres. C) Cationic Centres. D) Anionic Centres. Show Answer Correct Answer: A) F Centres. 2. In a zero-order reaction for every 10$^\circ$ rise of temperature, the rate is doubled. If the temperature is increased from 10$^\circ$C to 100$^\circ$C, the rate of the reaction will become: A) 64 times. B) 128 times. C) 256 times. D) 512 times. Show Answer Correct Answer: D) 512 times. 3. How many type of bravais lattices are there A) 7. B) 4. C) 14. D) 10. Show Answer Correct Answer: C) 14. 4. Which of the following describes the atomic packing factor (APF) for face-centered cubic (FCC) structures? A) 0.52. B) 0.68. C) 0.74. D) 0.80. Show Answer Correct Answer: C) 0.74. 5. Materials which can conduct electricity better than insulator, but not as well as conductors represent ..... A) Superconductor. B) Semiconductor. C) Diode. D) Graphite. Show Answer Correct Answer: B) Semiconductor. 6. The intermetallic compound LiAg crystallizes in cubic lattice in which both lithium and silver have co-ordination number 8. The crystal class is: A) Simple cube. B) Body centred cube. C) Face centred cube. D) None. Show Answer Correct Answer: B) Body centred cube. 7. The total number of voids per atom in 0.5 mole of compound forming hexagonal closed packed structure A) 1 mole. B) 2 mole. C) 3 mole. D) 1.5 mole. Show Answer Correct Answer: D) 1.5 mole. 8. Find whether the bonds are ionic or covalent-Zn-Cl A) Ionic. B) Covalent. C) None. D) None of the above. Show Answer Correct Answer: A) Ionic. 9. The coordination number of atoms in bcc crystal lattice is A) 8. B) 2. C) 4. D) 6. Show Answer Correct Answer: A) 8. 10. Choose the correct one. (* stands for multiplication, J represents the moment of inertia, w represents angular speed). A) J*d(w)/dt = load torque-motor torque. B) J*d(w)/dt = load torque + motor torque. C) J*d(w)/dt = motor torque-load torque. D) J*d(w)/dt = load torque * motor torque. Show Answer Correct Answer: C) J*d(w)/dt = motor torque-load torque. 11. When NaCl crystal is doped with MgCl $_{2 }$, the nature of defect produced is A) Schottky defect. B) Frenkel defect. C) Impurity defect. D) None of the above. Show Answer Correct Answer: C) Impurity defect. 12. Relation between edge length and radius of sphere in simple cubic lattice is A) A=4r. B) A=2r. C) No relationship. D) None of the above. Show Answer Correct Answer: B) A=2r. 13. KF has ccp structure. Calculate the radius of the unit cell if the side of the cube or edge length is 400 pm. How many Fions and octahedral voids are there in the unit cell? A) 14.14 pm. B) 141.4 pm. C) 1.41 pm. D) 140 pm. Show Answer Correct Answer: B) 141.4 pm. 14. Known for their ability to be flattened into a sheet, stretched into a wire, and to conduct energy well.The above statement describe for A) Molecular solid. B) Network solid. C) Metallic solid. D) Ionic solid. Show Answer Correct Answer: C) Metallic solid. 15. Structure of a mixed oxide is cubic close-packed (c.c.p). The cubic unit cell of mixed oxide is composed of oxide ions. One fourth of the tetrahedral voids are occupied by divalent metal A and the octahedral voids are occupied by a monovalent metal B. The formula of the oxide is A) ABO$_{2}$. B) A$_{2}$BO$_{2}$. C) A$_{2}$B3O$_{4}$. D) AB$_{2}$O$_{2}$. Show Answer Correct Answer: D) AB$_{2}$O$_{2}$. 16. Percentage of free space in BCC unit cell is A) 34%. B) 28%. C) 30%. D) 32%. Show Answer Correct Answer: D) 32%. 17. A material's electrical conductivity is determined by its ..... A) Color. B) Energy band structure. C) Phonon density. D) Grain size. Show Answer Correct Answer: B) Energy band structure. 18. Na2O is ..... type of crystal A) BCC. B) Fluorite. C) Antifluorite. D) Rutile. Show Answer Correct Answer: C) Antifluorite. 19. What is the capacity limit mentioned for solid-state storage? A) Up to 1TB. B) Up to 2TB. C) Up to 4TB. D) Up to 8TB. Show Answer Correct Answer: C) Up to 4TB. 20. What is a disadvantage of Solid-State Storage? A) Generally more expensive per GB. B) Uses less power. C) More resistant to physical damage. D) Faster data access. Show Answer Correct Answer: A) Generally more expensive per GB. 21. The formation of gas at the surface of tungsten due to adsorption is the reaction of order A) 0. B) 1. C) 2. D) Insufficient Data. Show Answer Correct Answer: A) 0. 22. Hexagonal close packed arrangement of ions is described as ..... A) ABCABA . B) ABABA . C) ABCABC . D) ABBAB. Show Answer Correct Answer: B) ABABA . 23. What are the terminal characteristics of PN diodes? A) The terminal characteristics of PN diodes include forward bias conduction, reverse bias blocking, forward voltage drop, reverse saturation current, and breakdown voltage. B) High current gain in reverse bias. C) Infinite resistance in forward bias. D) Zero voltage drop in forward bias. Show Answer Correct Answer: A) The terminal characteristics of PN diodes include forward bias conduction, reverse bias blocking, forward voltage drop, reverse saturation current, and breakdown voltage. 24. In a simple cubic, body-centred cubic and face-centred cubic structure, the ratio of the number of atoms present is respectively A) 1:2:5. B) 1:2:4. C) 2:5:8. D) 1:6:7. Show Answer Correct Answer: B) 1:2:4. 25. How many unit cells are divided equally in a face-centred cubic lattice? A) 2. B) 4. C) 6. D) 8. Show Answer Correct Answer: C) 6. ← PreviousNext →Related QuizzesClass 12 Chemistry (Part I) Chapter 1 Solid State Quiz 1Class 12 Chemistry (Part I) Chapter 1 Solid State Quiz 2Class 12 Chemistry (Part I) Chapter 1 Solid State Quiz 3Class 12 Chemistry (Part I) Chapter 1 Solid State Quiz 4Class 12 Chemistry (Part I) Chapter 1 Solid State Quiz 6Class 12 Chemistry (Part I) Chapter 1 Solid State Quiz 7Class 12 Chemistry (Part I) Chapter 1 Solid State Quiz 8Class 12 Chemistry (Part I) Chapter 1 Solid State Quiz 9Class 12 Chemistry (Part I) Chapter 1 Solid State Quiz 10Class 12 Chemistry (Part I) Chapter 1 Solid State Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books