Among and , the sum of spin-only magnetic moment values of basic and amphoteric oxides is BM (nearest integer).

(Given atomic number of Cr is 24)

Question

Among  and , the sum of spin-only magnetic moment values of basic and amphoteric oxides is   BM (nearest integer).

(Given atomic number of Cr is 24)

Canvas Classes · Accepted Answer

Step 1: Identify basic and amphoteric oxides

| Oxide | Cr O.S. | Nature |
|-------|---------|--------|
| CrO | +2 | Basic |
|  | +3 | Amphoteric |
|  | +6 | Acidic |

Step 2: Magnetic moments

CrO (Cr²⁺, , 4 unpaired electrons):

(Cr³⁺, , 3 unpaired electrons):

Step 3: Sum

Answer: 877

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