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Question: What is the oxidation state of chlorine in NaClO3?Options: +1+3+5+7Correct Answer: +5Solut..
Question: What is the reducing agent in the reaction Zn + CuSO4 → ZnSO4 + Cu?Options: ZnCuCuSO4ZnSO4..
Question: In the reaction 2Fe2O3 + 3C → 4Fe + 3CO2, which element is oxidized?Options: IronCarbonOxy..
Question: Which of the following statements is true about a buffer solution?Options: Resists changes..
Question: What is the pH of a 0.1 M solution of sodium bicarbonate (NaHCO3)?Options: 7.58.49.06.0Cor..
Question: What is the effect of dilution on the pH of a strong acid?Options: pH increasespH decrease..
Question: What is the pH of a 0.1 M solution of acetic acid (CH3COOH) given its Ka is 1.8 x 10^-5?Op..
Question: What is the pH of a 0.01 M solution of sodium hydroxide (NaOH)?Options: 1221014Correct Ans..
Question: For the equilibrium reaction CO(g) + 2H2(g) ⇌ CH3OH(g), if the temperature is decreased, w..
Question: What is the effect of a catalyst on the equilibrium constant of a reaction?Options: Increa..
Question: In the reaction 2SO2(g) + O2(g) ⇌ 2SO3(g), what happens if SO2 is removed from the system?..
Question: For the equilibrium reaction N2(g) + 3H2(g) ⇌ 2NH3(g), if the pressure is increased, what ..
Question: In a closed system at equilibrium, if the volume is decreased, what will happen to the equ..
Question: What is the effect of increasing temperature on the cell potential according to the Nernst..
Question: In a Daniell cell, which metal is oxidized?Options: CopperZincLeadSilverCorrect Answer: Zi..
Question: What is the unit of electric charge?Options: VoltAmpereCoulombOhmCorrect Answer: CoulombSo..
Question: Which of the following statements is true about electrolysis?Options: It requires a sponta..
Question: Which of the following statements is true regarding a catalyst?Options: Increases activati..
Question: For a reaction A → B, if the rate of formation of B is 0.5 mol/L/s, what is the rate of di..
Question: If the activation energy of a reaction is increased, what happens to the rate constant k?O..
Question: In a zero-order reaction, how does the rate change with respect to concentration?Options: ..
Question: What is the rate law expression for a reaction with the rate equation rate = k[A]^2[B]?Opt..
Question: What is the molecular orbital configuration of the O2 molecule?Options: (σ1s)²(σ*1s)²(σ2s)..
Question: Which of the following has the lowest bond order?Options: O2F2N2He2Correct Answer: He2Solu..
Question: In which of the following molecules does the molecular orbital configuration lead to param..
Question: What type of bond is formed between two metal atoms?Options: Ionic bondCovalent bondMetall..
Question: Which of the following compounds has the highest electronegativity difference?Options: HCl..
Question: What is the theoretical yield of NaCl when 23 g of Na reacts with excess Cl2?Options: 58.5..
Question: In the reaction 4Fe + 3O2 → 2Fe2O3, how many grams of Fe2O3 can be produced from 8 grams o..
Question: What is Le Chatelier\'s principle?Options: A system at equilibrium will shift to counterac..
