Physical Chemistry

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Q. What is the effect of increasing temperature on the kinetic energy of gas particles?
  • A. It decreases kinetic energy.
  • B. It has no effect.
  • C. It increases kinetic energy.
  • D. It causes phase change.
Q. What is the effect of increasing temperature on the kinetic energy of particles in a substance?
  • A. Kinetic energy decreases
  • B. Kinetic energy remains constant
  • C. Kinetic energy increases
  • D. Kinetic energy fluctuates
Q. What is the effect of increasing temperature on the pressure of a gas at constant volume?
  • A. Pressure decreases
  • B. Pressure remains constant
  • C. Pressure increases
  • D. Pressure fluctuates
Q. What is the effect of increasing temperature on the rate of a chemical reaction?
  • A. Decreases the rate
  • B. Increases the rate
  • C. No effect
  • D. Depends on the reaction
Q. What is the effect of increasing temperature on the solubility of most solid solutes in water?
  • A. Increases solubility
  • B. Decreases solubility
  • C. No effect
  • D. Depends on the solute
Q. What is the effect of increasing temperature on the vapor pressure of a liquid?
  • A. It decreases
  • B. It remains constant
  • C. It increases
  • D. It fluctuates
Q. What is the effect of increasing temperature on the vapor pressure of a solution?
  • A. It decreases the vapor pressure.
  • B. It increases the vapor pressure.
  • C. It has no effect.
  • D. It causes the vapor pressure to become zero.
Q. What is the effect of increasing temperature on the vapor pressure of a solvent according to Raoult's Law?
  • A. It decreases the vapor pressure.
  • B. It increases the vapor pressure.
  • C. It has no effect.
  • D. It depends on the solute.
Q. What is the effect of increasing temperature on the viscosity of a liquid?
  • A. Increases viscosity
  • B. Decreases viscosity
  • C. No effect
  • D. Depends on the liquid
Q. What is the effect of increasing the concentration of a reactant in a first-order reaction?
  • A. Rate increases linearly
  • B. Rate decreases
  • C. Rate remains constant
  • D. Rate increases exponentially
Q. What is the effect of increasing the concentration of a solute on the freezing point of a solution?
  • A. Freezing point increases
  • B. Freezing point decreases
  • C. No effect
  • D. Depends on the solute
Q. What is the effect of increasing the concentration of reactants on the rate of a reaction?
  • A. Rate decreases
  • B. Rate increases
  • C. Rate remains constant
  • D. Rate becomes zero
Q. What is the effect of increasing the distance from the pivot point on the torque produced by a force?
  • A. Torque increases
  • B. Torque decreases
  • C. Torque remains the same
  • D. Torque becomes zero
Q. What is the effect of increasing the pressure on the equilibrium of the reaction: 2N2(g) + 3H2(g) ⇌ 2NH3(g)?
  • A. Shifts to the left
  • B. Shifts to the right
  • C. No effect
  • D. Increases the rate of reaction
Q. What is the effect of increasing the pressure on the rate of a reaction involving gaseous reactants?
  • A. Rate decreases
  • B. Rate increases
  • C. No effect
  • D. Depends on the reaction
Q. What is the effect of increasing the temperature on the equilibrium constant of an exothermic reaction?
  • A. Increases
  • B. Decreases
  • C. Remains the same
  • D. Depends on the reaction
Q. What is the effect of temperature on Raoult's Law?
  • A. It has no effect.
  • B. It increases vapor pressure.
  • C. It decreases vapor pressure.
  • D. It only affects the solute.
Q. What is the effect of temperature on the entropy of a substance?
  • A. Entropy decreases with increasing temperature.
  • B. Entropy increases with increasing temperature.
  • C. Entropy remains constant with temperature.
  • D. Temperature has no effect on entropy.
Q. What is the effect of temperature on the equilibrium constant for an exothermic reaction?
  • A. Increases with temperature
  • B. Decreases with temperature
  • C. Remains constant
  • D. Depends on the concentration
Q. What is the effect of temperature on the equilibrium constant K for an exothermic reaction?
  • A. K increases with temperature
  • B. K decreases with temperature
  • C. K remains constant
  • D. K is independent of temperature
Q. What is the effect of temperature on the vapor pressure of a solvent according to Raoult's Law?
  • A. Vapor pressure decreases with temperature
  • B. Vapor pressure increases with temperature
  • C. Vapor pressure remains constant with temperature
  • D. Vapor pressure is independent of the solvent
Q. What is the electron configuration of oxygen (O)?
  • A. 1s2 2s2 2p4
  • B. 1s2 2s2 2p6
  • C. 1s2 2s1 2p5
  • D. 1s2 2s2 2p3
Q. What is the electron pair geometry of NH3?
  • A. Tetrahedral
  • B. Trigonal planar
  • C. Octahedral
  • D. Linear
Q. What is the electron pair geometry of SF6?
  • A. Tetrahedral
  • B. Trigonal bipyramidal
  • C. Octahedral
  • D. Square planar
Q. What is the electronic configuration of a chlorine ion (Cl-)?
  • A. 1s2 2s2 2p6 3s2 3p5
  • B. 1s2 2s2 2p6
  • C. 1s2 2s2 2p6 3s2 3p6
  • D. 1s2 2s2 2p6 3s2 3p4
Q. What is the electronic configuration of a neutral oxygen atom?
  • A. 1s2 2s2 2p4
  • B. 1s2 2s2 2p6
  • C. 1s2 2s2 2p2
  • D. 1s2 2s2 2p5
Q. What is the electronic configuration of a neutral sodium atom?
  • A. 1s2 2s2 2p6 3s1
  • B. 1s2 2s2 2p6
  • C. 1s2 2s2 2p5
  • D. 1s2 2s2 2p6 3s2
Q. What is the electronic configuration of a sodium ion (Na+)?
  • A. 1s2 2s2 2p6
  • B. 1s2 2s2 2p6 3s1
  • C. 1s2 2s2 2p5
  • D. 1s2 2s2 2p6 3s2
Q. What is the electronic configuration of Chlorine?
  • A. 1s2 2s2 2p6 3s2 3p5
  • B. 1s2 2s2 2p6 3s2 3p4
  • C. 1s2 2s2 2p6 3s2 3p6
  • D. 1s2 2s2 2p6 3s2 3p3
Q. What is the electronic configuration of Iron?
  • A. [Ar] 4s2 3d6
  • B. [Ar] 4s2 3d8
  • C. [Ar] 4s2 3d5
  • D. [Ar] 4s2 3d7
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