Chemistry – Chemical Bonds

1. What is the molecular geometry structure of the compound HgCl2?

  1. Tetrahedral
  2. Trigonal planar
  3. Linear
  4. Bent
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Answer: Option C. Linear

2. What is the energy required to remove an electron from the outer shell of an atom in an isolated gaseous state called?

  1. Kinetic energy
  2. Ionization energy
  3. Potential energy
  4. Nuclear energy
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Answer: Option B. Ionization energy

3. What is a correct statement about a water molecule?

  1. Water molecules are non-polar
  2. Water molecules contain only one hydrogen atom
  3. Water molecules can exist without oxygen atoms
  4. Water molecules are polar
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Answer: Option D. Water molecules are polar

4. Which among the following molecules has a T-shape arrangement?

  1. Chlorine trifluoride (ClF3)
  2. Methane (CH4)
  3. Water (H2O)
  4. Carbon dioxide (CO2)
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Answer: Option A. Chlorine trifluoride (ClF3)

5. What causes the vibrant color seen in a precisely cut diamond?

  1. Variation in refractive index
  2. External layers
  3. Presence of Impurities
  4. Heat treatments
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Answer: Option C. Presence of Impurities