Which of the following is coloured compound?
Correct answer: D. SnI4
- A. SnF4
- B. SnCl4
- C. SnBr4
- D. SnI4
Explanation
SnI₄ is a vibrant orange solid. Its color is due to a charge transfer transition where light is absorbed to promote an electron from the iodide ion to the tin(IV) ion, which is a process common in compounds with polarizable anions.
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Chemical bonding explains molecular shape through VSEPR theory and distinguishes sigma bonds from pi bonds. Questions involve hybridization, bond angles, dipole moment and bond energy, including how electron-pair repulsion determines geometry and how bond polarity differs from the overall polarity of a molecule.
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