Which of the following statements is true about the complex [Cr(NH3)6]3+?

Practice Questions

Q1
Which of the following statements is true about the complex [Cr(NH3)6]3+?
  1. It is tetrahedral
  2. It is octahedral
  3. It is square planar
  4. It is linear

Questions & Step-by-Step Solutions

Which of the following statements is true about the complex [Cr(NH3)6]3+?
  • Step 1: Identify the complex ion [Cr(NH3)6]3+. This means it has a chromium (Cr) ion and six ammonia (NH3) ligands.
  • Step 2: Understand that ligands are molecules that surround a central metal ion in a complex. In this case, there are six NH3 ligands.
  • Step 3: Recognize that when there are six ligands around a central metal ion, the geometry of the complex is typically octahedral.
  • Step 4: Conclude that since [Cr(NH3)6]3+ has six ligands, it must have an octahedral geometry.
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