Chemistry MCAT Practice Questions
671 free Chemistry MCAT-style practice questions, covering topics like Atomic Structure, The Periodic Table, Bonding and Chemical Interactions, Compounds and Stoichiometry, Chemical Kinetics, Equilibrium, and more.
Which of the following factors can affect the rate constant (k) of a chemical reaction?When 5.0 grams of calcium carbonate (CaCO3) is completely decomposed, how many grams of calcium oxide (CaO) are produced?A voltaic cell consists of a standard hydrogen electrode (SHE) connected to a copper electrode in a 1 M CuSO4…Which of the following statements is true about the limiting reactant in a chemical reaction?Which of the following is true about the Henderson-Hasselbalch equation used in buffer solutions?Which of the following factors does NOT affect the cell potential of an electrochemical cell?According to the Arrhenius definition, a base is a substance that:What occurs during oxidation?Which gas is most likely to exhibit the least deviation from ideal behavior under normal conditions?Which of the following reactions is an example of a precipitation reaction?A solution contains 0.5 moles of a polyprotic acid. If the acid is diprotic, what is the maximum number of…Which of the following elements exhibits the greatest increase in atomic radius moving from right to left across period 3…Which of the following statements about the behavior of ideal gases at low temperatures is true?Which of the following is a state function?Which element is a noble gas?Which of the following molecules has a linear shape and exhibits nonpolar covalent bonding?In a solution equilibrium, the rate of dissolution of the solute?The change in enthalpy (ΔH) for an endothermic reaction is?Entropy is a measure of:Which of the following molecules would most likely exhibit hydrogen bonding?Which element has the highest electronegativity?Which of the following processes is accompanied by a decrease in entropy?Which of the following represents the correctly balanced chemical equation for the reaction between potassium chlorate (KClO3) and sulfur (S)…Which of the following is true about the coefficients in the balanced half-reactions?Consider the reaction P + Q ⇌ R + S with an equilibrium constant Kc of 2.5. If the initial…According to the Arrhenius definition, an acid is a substance that:In a galvanic cell, which electrode would copper (Cu) ions migrate towards when copper sulfate (CuSO4) is used as the…In a titration of a weak acid with a strong base, the pH at the equivalence point will be:The process of a solute dispersing uniformly throughout a solvent to form a solution is called:A solution contains a non-volatile solute. How does the addition of this solute affect the boiling point of the solution…Kinetic molecular theory states that gas particles:Which of the following is true about the oxidizing agent in a redox reaction?Which of the following is an example of an acid-base reaction?In the Lewis structure of carbon dioxide (CO2), how many lone pairs of electrons are present on the central carbon…Which of the following is the correct order of filling atomic orbitals according to the Aufbau principle?Which of the following quantum numbers is responsible for describing the shape of an atomic orbital?Which of the following types of reactions involves the transfer of electrons between species and is also known as a…In which of the following pairs are both elements expected to have the same oxidation state?The concentration of a solution is increased by:Which of the following elements is most likely to exhibit multiple oxidation states?A catalyst affects the reaction rate by?Which of the following represents the net ionic equation for the reaction between potassium dichromate (K2Cr2O7) and sulfuric acid (H2SO4)…Which of the following statements accurately describes polyvalent acids?What is the pH of a solution at the equivalence point of a strong acid-strong base titration?Which of the following reactions is an example of a combustion reaction?Which control is favored when the reaction is carried out at a high temperature and allowed to reach equilibrium?According to Avogadro's Law, at constant temperature and pressure, equal volumes of different gases contain:Which of the following is true about the relationship between ΔG° and ΔE° for an electrochemical cell?Which of the following is an example of a redox reaction?The term "specific heat" refers to: