The incorrect statement is:

Question

Canvas Classes · Accepted Answer

Strategy:
 Evaluate each statement individually for chemical accuracy.

Step 1: Evaluate (1) and (2)
-  ( high spin) and  ( high spin) both have 4 unpaired electrons, yielding similar magnetic moments (). (Correct statement).
- :  is . It has 2 unpaired electrons (). (Correct statement).

Step 2: Evaluate (3)
- "Ruby =  with  in beryl."
Ruby is indeed corundum () doped with  impurities.
However, Beryl is a completely different mineral (). Emerald is beryl doped with .
Therefore, linking ruby to

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