This quiz works best with JavaScript enabled. Home > Cbse > Class 12 > Science > Chemistry Part I > Class 12 Chemistry (Part I) Chapter 1 Solid State – Quiz 11 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Chemistry (Part I) Chapter 1 Solid State Quiz 11 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A solid X$^{+ }$Y$^{-}$has a bcc structure . If the distance of closest approach between the two ions is 173 pm, the edge length of the cell is: A) 142.2 pm. B) Under root 2 pm. C) 200 pm. D) 178 pm. Show Answer Correct Answer: C) 200 pm. 2. Which of the following is a pair of equivalent values? A) -298 K and O $^{o}$ C. B) 298 K ans-273 $^{o}$ C. C) 319 K and 46 $^{o}$ C. D) 319 K and 592 $^{o}$ C. Show Answer Correct Answer: C) 319 K and 46 $^{o}$ C. 3. Sodium chloride and quartz are typical examples of A) Crystalline solids. B) Amorphous solids. C) All the above. D) None of the above. Show Answer Correct Answer: A) Crystalline solids. 4. Iodine molecules are held in crystal lattice by A) Dipole-dipole interactions. B) Coluombic forces. C) London forces. D) Covalent bonds. Show Answer Correct Answer: C) London forces. 5. Which of the following crystals does not exhibit Frenkel defect? A) AgBr. B) KBr. C) AgBr. D) ZnS. Show Answer Correct Answer: B) KBr. 6. What is the purpose of a voltage divider in electronic circuits? A) A voltage divider converts AC voltage to DC voltage. B) A voltage divider reduces the voltage to a desired level based on the resistor values. C) A voltage divider is used to increase the voltage level of a signal. D) A voltage divider isolates different parts of a circuit from each other. Show Answer Correct Answer: B) A voltage divider reduces the voltage to a desired level based on the resistor values. 7. The area enclosed by a closed curve in a PV diagram represents: A) Change in entropy. B) Net work done during the cycle. C) Net heat supplied. D) Change in internal energy. Show Answer Correct Answer: B) Net work done during the cycle. 8. Which of the following fee structure contains cations in alternate tetrahedral voids? A) Zns. B) Kcl. C) Nacl. D) Fe2o3. Show Answer Correct Answer: A) Zns. 9. When constituent particles are present only at the corner position of unit cell, then the unit cell is called A) Primitive unit cell. B) Body centred unit cell. C) Face centred unit cell. D) None of the above. Show Answer Correct Answer: A) Primitive unit cell. 10. It shows both, Frenkel as well as Schottky defects. A) AsCl. B) KCl. C) NaCl. D) AgBr. Show Answer Correct Answer: D) AgBr. 11. The regular 3D arrangement of points in space is called A) Crystal lattice. B) Lattice points. C) Bravais lattice. D) Unit cell. Show Answer Correct Answer: A) Crystal lattice. 12. Which of the following is a characteristic of covalent bonding? A) Strong directional properties. B) High conductivity. C) Non-directional properties. D) Weak binding energy. Show Answer Correct Answer: A) Strong directional properties. 13. What is the primary benefit of friction welding being machine-controlled? A) Operator expertise is not needed. B) Fewer process variables are involved. C) Weld quality is less favorable. D) Higher welding speeds are achieved. Show Answer Correct Answer: A) Operator expertise is not needed. 14. Substances having unpaired electron in atoms show this ..... magnetic behaviour. A) Paramagnetism. B) Ferrimagnetism. C) Ferromagnetism. D) Diamagnetism. Show Answer Correct Answer: A) Paramagnetism. 15. A solid A$^{+}$ B$^{-}$ has the B ions arranged IN BCC below. If the A$^{+}$ ions occupy half of the octahedral sites in the structure. The formula of solid is ..... A) A$_{2}$B. B) AB$_{2}$. C) AB. D) A$_{3}$B$_{4}$. Show Answer Correct Answer: B) AB$_{2}$. 16. The number of Cl-ions present around each Na+ ion in NaCl crystal lattice is A) 6. B) 4. C) 3. D) 8. Show Answer Correct Answer: A) 6. 17. Number of atoms in BCC A) 0. B) 2. C) 4. D) 1. Show Answer Correct Answer: B) 2. 18. Which of the following is a covalent solid A) CO2(s). B) H2O(s). C) NaCl(s). D) Diamond. Show Answer Correct Answer: D) Diamond. 19. Which one of the following is non-crystalline or amorphous? A) Glass. B) Graphite. C) Common salt. D) Diamond. Show Answer Correct Answer: A) Glass. 20. Edge length of unit cell of chromium metal is 287 pm with bcc arrangement. The atomic radius is of the order A) 574 pm. B) 143.5 pm. C) 124.27 pm. D) 287 pm. Show Answer Correct Answer: C) 124.27 pm. 21. Cooper pair is a ..... A) Classical particle. B) Fermion. C) Boson. D) All. Show Answer Correct Answer: D) All. 22. Which among the following is not an example of amorphous solids? A) Glass. B) Quartz. C) Plastic. D) Coke. Show Answer Correct Answer: D) Coke. 23. Which of the following defects is also known as a dislocation defect? A) Freckle defect. B) Simple interstitial defect. C) Non-stoichiometric defect. D) Schottky defect. Show Answer Correct Answer: A) Freckle defect. 24. Which function reaches a minimum at equilibrium for a closed system at constant pressure and temperature? A) Enthalpy. B) Internal energy. C) Helmholtz free energy. D) Gibbs free energy. Show Answer Correct Answer: D) Gibbs free energy. 25. *Which of the following statement is not true about the hexagonal close packing? A) In this arrangement spheres of the fourth layer are exactly aligned with those of the first layer. B) *The coordination number is 12. C) It has 74% packing efficiency. D) *Tetrahedral voids of the second layer are covered by the spheres of the third layer. Show Answer Correct Answer: A) In this arrangement spheres of the fourth layer are exactly aligned with those of the first layer. 26. Which one of the following is an example of schottky defect? A) AgI. B) KCl. C) ZnS. D) AgCl. Show Answer Correct Answer: B) KCl. 27. Packing efficiency is A) Vol. of unit cell x 100 / vol of atom. B) Vol. of unit cell x / vol of atom. C) Vol. of atom / vol of unit cell. D) Vol. of atom x 100 / vol of unit cell. Show Answer Correct Answer: D) Vol. of atom x 100 / vol of unit cell. 28. If the Radius Ratio (r$_{cation }$/ r$_{anion}$) is 0.414 then what would be the coordination number and structural arrangement? A) 8, Body Centred. B) 4, Tetrahedral. C) 6, Octahedral. D) 3, Triangular. Show Answer Correct Answer: C) 6, Octahedral. 29. N-type semiconductor will be obtained when silicon is doped with which of the following A) B. B) Ga. C) As. D) Al. Show Answer Correct Answer: C) As. 30. Linkage isomers are possible with ..... ligand A) Monodentate ligand. B) Tridentate ligand. C) Ambidentate ligand. D) Neutral ligand. Show Answer Correct Answer: C) Ambidentate ligand. 31. The intermolecular forces between Iodine molecule is called A) Van der waals. B) Hydrogen bonding. C) All the above. D) None of the above. Show Answer Correct Answer: A) Van der waals. 32. Which of the following point defects are shown by AgBr(s) Crystals? A) Schottky and impurity. B) Frenkel and schottky. C) Frenkel and impurity. D) Non stoichiometric defect. Show Answer Correct Answer: B) Frenkel and schottky. 33. A family of set of planes is represented by A) [hkl]. B) . C) (hkl). D) {hkl}. Show Answer Correct Answer: D) {hkl}. 34. The number of atoms per unit cell in a body centered cubic structure is A) 2. B) 6. C) 1. D) 4. Show Answer Correct Answer: A) 2. 35. To get n-type semiconductor from silicon, it should be doped with an element having valence electrons A) 5. B) 3. C) 4. D) 2. Show Answer Correct Answer: A) 5. 36. Which of the following compounds is metallic and ferromagnetic? A) MnO$_{2}$. B) CrO$_{2}$. C) VO$_{2}$. D) TiO$_{2}$. Show Answer Correct Answer: B) CrO$_{2}$. 37. Packing efficiency in BCC A) 68%. B) 86%. C) 74%. D) 52.4%. Show Answer Correct Answer: A) 68%. 38. Which of the following covalent solid is the conductor of electricity A) AIN. B) Diamond. C) Graphite. D) SiC. Show Answer Correct Answer: C) Graphite. 39. Semakin tinggi tekanan, semakin tidak kuat antar muka (seperti pada ikatan gulung dan pengelasan ledakan), dimana deformasi plastis juga terjadi. A) Benar. B) Salah. C) All the above. D) None of the above. Show Answer Correct Answer: B) Salah. 40. If NaCl is doped with 0.01 mol % of SrCl$_{2 . }$What is the number of cationic vacancies? A) 3.011X 10$^{-20}$. B) 6.023 X 10$^{19}$. C) 6.023 X 10$^{-23}$. D) 3.011X 10$^{23}$. Show Answer Correct Answer: B) 6.023 X 10$^{19}$. 41. Examble for active torque is ..... A) Deformation of inelastic body. B) Wintage torque. C) Friction force. D) Deformation of Elastic body. Show Answer Correct Answer: D) Deformation of Elastic body. 42. The AC drive Power / weight ratio is A) Small. B) Moderate. C) Large. D) Very High. Show Answer Correct Answer: C) Large. 43. During a research project, Neha is tasked with determining the arrangement of atoms in a newly discovered crystal. What is the primary technique she should use to achieve this? A) Infrared spectroscopy. B) Nuclear magnetic resonance. C) X-ray diffraction. D) Electron microscopy. Show Answer Correct Answer: C) X-ray diffraction. 44. In a close packing of N spheres, how many tetrahedral voids are there? A) N$^{2}$. B) 2N. C) N/2. D) N. Show Answer Correct Answer: B) 2N. 45. Didalam Friction Welding (FrW), panas yang dibutuhkan untuk pengelasan dihasilkan melalui gesekan pada antar muka dari 2 komponen yang bergabung. A) Benar. B) Salah. C) All the above. D) None of the above. Show Answer Correct Answer: A) Benar. 46. Most symmetrical and unsymmetrical system are respectively A) Cubic and triclinic. B) Cubic and tetragonal. C) Tetragonal and triclinic. D) Monoclinic and hexagonal. Show Answer Correct Answer: A) Cubic and triclinic. 47. For constant torque drive which speed control method is preferred? A) Shunt armature control. B) Armature voltage control. C) Mechanical loading system. D) Field control. Show Answer Correct Answer: B) Armature voltage control. 48. What is simplest formula of a compound formed between A and B, if A makes BCC and atoms of B occupy edge centers. A) AB. B) A2B3. C) AB2. D) A2B. Show Answer Correct Answer: B) A2B3. 49. Transition metals show metal deficiency defect due to A) Partially filled d orbital. B) Paramagnetic behaviour. C) Variable valency. D) Strong metallic bonds. Show Answer Correct Answer: C) Variable valency. 50. Percentages of free space in cubic close packed structure and in body centred packedstructure are respectively. A) 48% and 36 %. B) 32% and 48 %. C) 30% and 26 %. D) 26% and 32 %. Show Answer Correct Answer: D) 26% and 32 %. 51. The major binding force of diamond, silicon and quartz is A) Non-covalent bond force. B) Electrical attraction. C) Electrostatic force. D) Covalent bond force. Show Answer Correct Answer: D) Covalent bond force. 52. Which type of storage has a limited number of read and write cycles? A) Hard Disk Drive (HDD). B) SD Card. C) USB Flash Drive. D) Solid-State Drive (SSD). Show Answer Correct Answer: D) Solid-State Drive (SSD). 53. The property of crystalline solid is not A) Isotropic. B) Hard. C) Anisotropic. D) Dense. Show Answer Correct Answer: A) Isotropic. 54. F-centres in a crystal are responsible for the A) Conducting. B) Non-conducting. C) Colourless. D) Colour. Show Answer Correct Answer: D) Colour. 55. Which is not correct about the Schottky defects? A) Both cations and anions are missing from their lattice sites without affecting the stoichiometry of the compound. B) Because of presence of holes the lattice energy decreases. C) The presence of holes causes the density of the crystal to decrease. D) The defect increases the electrical of the ions into the holes. Show Answer Correct Answer: B) Because of presence of holes the lattice energy decreases. 56. In the zone melting approach, which of the following principles was used? A) Impurities concentrate in the solid than in the liquid phase. B) Impurities concentrate in the liquid phase than in the gaseous phase. C) Impurities concentrate in the gaseous phase than in the solid phase. D) Impurities concentrate in the liquid phase than in the solid phase. Show Answer Correct Answer: D) Impurities concentrate in the liquid phase than in the solid phase. 57. A crystalline solid: A) Has no definite melting point. B) Changes abruptly from solid to liquid when heated. C) Has irregular 3-dimensional arrangements. D) Undergoes deformation of its geometry easily. Show Answer Correct Answer: B) Changes abruptly from solid to liquid when heated. 58. Crystal showing both Schottky & Frenkel defect A) ZnO. B) AgBr. C) AgI. D) NaCl. Show Answer Correct Answer: B) AgBr. 59. Elevation in boiling point is a colligative property because it depends on A) Number of solvent particles. B) Nature of solvent particles. C) Nature of solute particles. D) Number of solute particles. Show Answer Correct Answer: D) Number of solute particles. 60. Which of the following metals is not diamagnetic? A) Gold. B) Mercury. C) Bismuth. D) Iron. Show Answer Correct Answer: D) Iron. ← PreviousNext →Related QuizzesScience QuizzesClass 12 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 5Class 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 8 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books