Question:

Coordination number of Cerium in ceric ammonium nitrate, \((NH_4)_2[Ce(NO_3)_6]\), is:

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Count six nitrate ligands, each binding through two oxygen atoms.
Updated On: Jul 3, 2026
  • 2
  • 4
  • 6
  • 12
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The Correct Option is D

Solution and Explanation

Step 1: NO3- is bidentate, binding through 2 oxygens.
Step 2: 6 nitrate ligands present.
Step 3: 6x2=12 donor bonds.
\[\boxed{12}\]
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