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Question: In the equilibrium constant expression Kc, what is the unit for Kc if the reaction is A(g)..
Question: What is the effect of adding an inert gas at constant volume on the equilibrium position?O..
Question: For the equilibrium 2A(g) ⇌ B(g) + C(g), how many moles of gas are on the reactant side?Op..
Question: In a reaction at equilibrium, if the concentration of a reactant is decreased, what will h..
Question: Which of the following statements about dynamic equilibrium is true?Options: The concentra..
Question: What is the effect of increasing temperature on an exothermic reaction at equilibrium?Opti..
Question: In the reaction 2SO2(g) + O2(g) ⇌ 2SO3(g), what happens to the equilibrium if the volume o..
Question: Which of the following factors does NOT affect the position of equilibrium?Options: Concen..
Question: For the reaction N2(g) + 3H2(g) ⇌ 2NH3(g), if the concentration of NH3 is increased, what ..
Question: What is the hybridization of a molecule with a tetrahedral shape?Options: spsp2sp3sp3dCorr..
Question: What is the molecular shape of NH3 according to VSEPR theory?Options: LinearTrigonal plana..
Question: What is the bond angle in a trigonal planar molecule?Options: 120 degrees109.5 degrees180 ..
Question: In the molecular orbital theory, which of the following is true for the π molecular orbita..
Question: Which of the following has a bond order of 1?Options: N2O2H2F2Correct Answer: H2Solution: ..
Question: For which of the following molecules is the molecular orbital diagram similar to that of O..
Question: In the molecular orbital theory, which of the following orbitals is lower in energy for ho..
Question: What is the effect of increasing electronegativity difference on bond character?Options: I..
Question: How many moles of oxygen are required to completely react with 4 moles of ethane (C2H6)?Op..
Question: What volume of 0.5 M NaCl solution contains 1 mole of NaCl?Options: 1 L2 L0.5 L0.25 LCorre..
Question: If 10 grams of calcium carbonate (CaCO3) decomposes, how many grams of calcium oxide (CaO)..
Question: What is the limiting reagent when 5 moles of A react with 3 moles of B in the reaction A +..
Question: In the reaction 2H2 + O2 → 2H2O, how many grams of water are produced from 4 grams of hydr..
Question: How many grams are in 2 moles of carbon dioxide (CO2)?Options: 44 g88 g22 g66 gCorrect Ans..
Question: What is the mass of 0.5 moles of sodium chloride (NaCl)?Options: 29 g35 g58 g70 gCorrect A..
Question: If 4 moles of aluminum react with 3 moles of oxygen, how many moles of aluminum oxide are ..
Question: In a reaction where 2 moles of hydrogen react with 1 mole of oxygen, how many moles of wat..
Question: How many moles are in 200 grams of H2SO4?Options: 1234Correct Answer: 2Solution: Molar mas..
Question: What is the number of moles in 100 grams of NaOH?Options: 120.50.25Correct Answer: 1Soluti..
Question: What is the trend in electronegativity across a period in the periodic table?Options: Incr..
Question: What is the electron configuration of a chlorine atom?Options: 1s2 2s2 2p6 3s2 3p51s2 2s2 ..
