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Question: How many moles are in 50 grams of sodium (Na)?Options: 1.082.50.50.25Correct Answer: 1.08S..
Question: How many grams are in 0.25 moles of sulfuric acid (H2SO4)?Options: 49 g98 g24.5 g12.25 gCo..
Question: What is the IUPAC name for the compound with the structure CH3-CO-CH2-CH3?Options: Butan-2..
Question: Which of the following quantum numbers is not associated with the electron spin?Options: n..
Question: What is the maximum number of electrons that can be accommodated in a shell with principal..
Question: For the quantum state with n=3, l=1, how many possible values can m_l take?Options: 1235Co..
Question: What is the principal quantum number for an electron in the ground state of a hydrogen ato..
Question: If an electron is in the state characterized by the quantum numbers n=4, l=2, what is the ..
Question: Which of the following sets of quantum numbers is not allowed?Options: n=2, l=1, m_l=0n=3,..
Question: Which of the following configurations is incorrect?Options: 1s2 2s2 2p6 3s21s2 2s2 2p6 3s2..
Question: Which of the following elements has the highest energy level in its electronic configurati..
Question: Which of the following configurations represents a noble gas?Options: 1s2 2s2 2p61s2 2s2 2..
Question: What is the electronic configuration of the element with atomic number 20?Options: [Ne] 3s..
Question: Which element has the electronic configuration 1s2 2s2 2p6 3s2 3p1?Options: AlSiPClCorrect..
Question: What is the total number of electrons in the electronic configuration [Kr] 5s2 4d10 5p5?Op..
Question: Which biomolecule is primarily responsible for energy storage in living organisms?Options:..
Question: Which functional group is characterized by a carbonyl group (C=O) bonded to a hydroxyl gro..
Question: What is the IUPAC name for the compound with the formula CH₃COOH?Options: Acetic acidEthan..
Question: What is the maximum number of electrons in the n=2 shell?Options: 2486Correct Answer: 4Sol..
Question: What is the principal quantum number of the outermost electron in potassium (K)?Options: 3..
Question: Which of the following quantum numbers cannot be negative?Options: Principal quantum numbe..
Question: What is the hybridization of the central atom in the complex [Ni(CO)4]?Options: spsp2sp3d2..
Question: What is the IUPAC name of the compound with the formula [Co(NH3)5Cl]Cl2?Options: Pentaammi..
Question: What is the oxidation state of iron in the complex [Fe(CN)6]3-?Options: +2+3+4+1Correct An..
Question: If the solubility product (Ksp) of AgCl is 1.77 x 10^-10, what is the molar solubility of ..
Question: In a reaction, if the rate constant doubles when the temperature increases by 10°C, what i..
Question: For the reaction 2A ⇌ B + C, if the initial concentration of A is 0.5 M and at equilibrium..
Question: What is the value of the equilibrium constant Kc for the reaction A + B ⇌ C + D at 25°C if..
Question: What type of complex is formed when a metal ion is surrounded by four ligands in a square ..
Question: Which of the following coordination numbers is NOT possible according to Werner\'s theory?..
