Physical Chemistry

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Q. Which of the following conditions will lead to a negative ΔG?
  • A. High temperature and low ΔH
  • B. Low temperature and high ΔH
  • C. High temperature and high ΔS
  • D. Low temperature and low ΔS
Q. Which of the following conditions will lead to a positive ΔG?
  • A. High temperature and low entropy.
  • B. Low temperature and high enthalpy.
  • C. High temperature and high entropy.
  • D. Low temperature and low enthalpy.
Q. Which of the following conditions will lead to a spontaneous reaction?
  • A. ΔH > 0 and ΔS < 0
  • B. ΔH < 0 and ΔS > 0
  • C. ΔH > 0 and ΔS > 0
  • D. ΔH < 0 and ΔS < 0
Q. Which of the following configurations is incorrect?
  • A. 1s2 2s2 2p6 3s2
  • B. 1s2 2s2 2p6 3s2 3p6
  • C. 1s2 2s2 2p6 3s2 3p1
  • D. 1s2 2s2 2p6 3s2 3p5
Q. Which of the following configurations represents a noble gas?
  • A. 1s2 2s2 2p6
  • B. 1s2 2s2 2p5
  • C. 1s2 2s2 2p4
  • D. 1s2 2s2 2p3
Q. Which of the following configurations represents a transition metal?
  • A. [Ar] 4s2 3d10
  • B. [Ne] 3s2 3p6
  • C. [Kr] 5s2 4d5
  • D. [Xe] 6s2
Q. Which of the following diatomic molecules has a bond order of 1?
  • A. N2
  • B. O2
  • C. H2
  • D. F2
Q. Which of the following diatomic molecules has the highest bond order?
  • A. N2
  • B. O2
  • C. F2
  • D. He2
Q. Which of the following elements can act as a reducing agent?
  • A. Cl2
  • B. H2O
  • C. Na
  • D. O2
Q. Which of the following elements can form a coordinate bond?
  • A. Oxygen
  • B. Nitrogen
  • C. Carbon
  • D. All of the above
Q. Which of the following elements can form multiple bonds?
  • A. Sodium
  • B. Carbon
  • C. Bromine
  • D. Neon
Q. Which of the following elements has a half-filled p subshell?
  • A. Boron
  • B. Carbon
  • C. Nitrogen
  • D. Oxygen
Q. Which of the following elements has an incomplete d subshell?
  • A. Sc
  • B. Ti
  • C. V
  • D. Cr
Q. Which of the following elements has the electronic configuration 1s2 2s2 2p6 3s2 3p6 4s2?
  • A. Ca
  • B. Ar
  • C. Kr
  • D. Xe
Q. Which of the following elements has the electronic configuration ending in 4p5?
  • A. Br
  • B. Cl
  • C. I
  • D. At
Q. Which of the following elements has the electronic configuration [Kr] 5s2 4d10 5p5?
  • A. Iodine
  • B. Bromine
  • C. Astatine
  • D. Tellurium
Q. Which of the following elements has the electronic configuration [Kr] 5s2?
  • A. Sr
  • B. Y
  • C. Zr
  • D. Nb
Q. Which of the following elements has the electronic configuration [Ne] 3s2 3p1?
  • A. Aluminum
  • B. Silicon
  • C. Phosphorus
  • D. Magnesium
Q. Which of the following elements has the electronic configuration [Ne] 3s2?
  • A. Mg
  • B. Na
  • C. Al
  • D. Si
Q. Which of the following elements has the electronic configuration [Ne]3s²3p⁵?
  • A. Chlorine
  • B. Bromine
  • C. Fluorine
  • D. Iodine
Q. Which of the following elements has the electronic configuration [Xe] 6s2 4f14 5d10?
  • A. Pb
  • B. Hg
  • C. Rn
  • D. Uuo
Q. Which of the following elements has the electronic configuration [Xe] 6s2?
  • A. Radon
  • B. Barium
  • C. Lead
  • D. Polonium
Q. Which of the following elements has the highest electronegativity based on its electronic configuration?
  • A. Na
  • B. Cl
  • C. Ar
  • D. K
Q. Which of the following elements has the highest energy level in its electronic configuration?
  • A. Na
  • B. K
  • C. Ca
  • D. Mg
Q. Which of the following elements has the highest ionization energy?
  • A. Li
  • B. Na
  • C. K
  • D. Rb
Q. Which of the following elements is likely to have a half-filled p subshell?
  • A. N
  • B. O
  • C. F
  • D. Ne
Q. Which of the following equations relates Gibbs Free Energy to enthalpy and entropy?
  • A. ΔG = ΔH - TΔS
  • B. ΔG = TΔS - ΔH
  • C. ΔG = ΔH + TΔS
  • D. ΔG = ΔH / T + ΔS
Q. Which of the following equations represents the ideal gas law?
  • A. PV = nRT
  • B. PV = nR
  • C. PV = RT
  • D. P = nRT/V
Q. Which of the following expressions correctly relates ΔG, ΔH, and ΔS?
  • A. ΔG = ΔH + TΔS
  • B. ΔG = ΔH - TΔS
  • C. ΔG = TΔS - ΔH
  • D. ΔG = ΔH + ΔS
Q. Which of the following factors does NOT affect Gibbs Free Energy?
  • A. Temperature
  • B. Pressure
  • C. Concentration of reactants
  • D. Nature of the solvent
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