GRE Chemistry Domain 2: Inorganic Chemistry Welcome to your GRE Chemistry Domain 2: Inorganic Chemistry 1. GRE Chemistry Practice Test: Inorganic Chemistry Which of the following statements about the lanthanide contraction is true? A. It results in decreased atomic radii across the third transition series. B. It is caused by the filling of the 4f subshell. C. It leads to a significant increase in ionic radii from lanthanum to lutetium. D. It is unrelated to the shielding effect. None 2. GRE Chemistry Practice Test: Inorganic Chemistry In the context of molecular orbital theory, which of the following is true for a homonuclear diatomic molecule of oxygen (O\(_2\))? A. It has a total of 10 bonding electrons. B. The highest occupied molecular orbital is \(\sigma_{2p_z}\). C. It is diamagnetic. D. The bond order is 2. None 3. GRE Chemistry Practice Test: Inorganic Chemistry Which of the following geometries is expected for a molecule with the formula AX\(_3\)E\(_2\) according to VSEPR theory? A. Trigonal bipyramidal B. T-shaped C. Seesaw D. Linear None 4. GRE Chemistry Practice Test: Inorganic Chemistry In a crystal field splitting diagram for an octahedral complex, which of the following electronic configurations will result in the highest crystal field stabilization energy (CFSE)? A. \(d^1\) B. \(d^3\) C. \(d^5\) D. \(d^8\) None 5. GRE Chemistry Practice Test: Inorganic Chemistry Which element commonly forms a hexaaqua complex with a +3 oxidation state in aqueous solution? A. Iron (Fe) B. Copper (Cu) C. Zinc (Zn) D. Silver (Ag) None 6. GRE Chemistry Practice Test: Inorganic Chemistry Which of the following is a characteristic of a sigma (\(\sigma\)) bond? A. Formed by the end-to-end overlap of atomic orbitals B. Weaker than a pi (\(\pi\)) bond C. Formed by the side-to-side overlap of p orbitals D. Contains two nodal planes through the bonded atoms None 7. GRE Chemistry Practice Test: Inorganic Chemistry In the solid state, which compound exhibits ionic bonding? A. \(H_2O\) B. \(CO_2\) C. \(NaCl\) D. \(I_2\) None 8. GRE Chemistry Practice Test: Inorganic Chemistry Which statement correctly describes the properties of isotopes? A. Isotopes of an element have different numbers of protons. B. Isotopes have identical chemical properties but different physical properties. C. Isotopes are always radioactive. D. Isotopes of an element have different electron configurations. None 9. GRE Chemistry Practice Test: Inorganic Chemistry What is the oxidation state of chromium in potassium dichromate (K\(_2\)Cr\(_2\)O\(_7\))? A. 3 B. 4 C. 6 D. 7 None 10. GRE Chemistry Practice Test: Inorganic Chemistry What is the hybridization of the central atom in SF\(_4\)? A. sp B. sp\(^2\) C. sp\(^3\) D. sp\(^3\)d None 11. GRE Chemistry Practice Test: Inorganic Chemistry What is the electron configuration of the Fe\(^{2+}\) ion? A. \( [Ar]4s^13d^6 \) B. \( [Ar]4s^03d^6 \) C. \( [Ar]3d^5 \) D. \( [Ar]3d^6 \) None 12. GRE Chemistry Practice Test: Inorganic Chemistry Which element typically forms a colored aqueous solution due to d-d electron transitions? A. Sodium (Na) B. Magnesium (Mg) C. Zinc (Zn) D. Copper (Cu) None 13. GRE Chemistry Practice Test: Inorganic Chemistry Which of the following molecular shapes is associated with an AX\(_4\)E\(_2\) molecule according to VSEPR theory? A. Square planar B. Octahedral C. Tetrahedral D. Trigonal bipyramidal None 14. GRE Chemistry Practice Test: Inorganic Chemistry What type of isomerism is exhibited by [Co(NH\(_3\))\(_4\)(NO\(_2\))\(_2\)]\(^+\)? A. Geometrical isomerism B. Linkage isomerism C. Ionization isomerism D. Coordination isomerism None 15. GRE Chemistry Practice Test: Inorganic Chemistry Which statement is true about the ionic character of a bond? A. It decreases as the difference in electronegativity between two atoms increases. B. It is highest in covalent bonds. C. It increases as the difference in electronegativity between two atoms increases. D. It is independent of electronegativity differences. None 16. GRE Chemistry Practice Test: Inorganic Chemistry Which of the following statements best describes a property of transition metals? A. They generally form ionic compounds. B. They exhibit a wide variety of oxidation states. C. They have low melting points. D. They form only weak metallic bonds. None 17. GRE Chemistry Practice Test: Inorganic Chemistry What is the correct formula for the compound formed between aluminum and sulfur? A. AlS B. Al\(_2\)S\(_3\) C. AlS\(_2\) D. Al\(_3\)S\(_2\) None 18. GRE Chemistry Practice Test: Inorganic Chemistry Which of the following ions has a noble gas electron configuration? A. O\(^{2-}\) B. C\(^{4-}\) C. N\(^{3-}\) D. F\(^-\) None 19. GRE Chemistry Practice Test: Inorganic Chemistry In the context of acid-base chemistry, which of the following is a Lewis acid? A. A species that donates a pair of electrons B. A species that accepts a pair of electrons C. A species that donates a hydrogen ion D. A species that increases the OH\(^-\) concentration in water None 20. GRE Chemistry Practice Test: Inorganic Chemistry What is the molecular geometry of XeF\(_4\) according to VSEPR theory? A. Square planar B. Tetrahedral C. Octahedral D. Square pyramidal None 1 out of 20 Time is Up! Time's up