Exam questionKROK 1Pharmacy ยท 2008
Concentrated nitric acid and crystalline lead dioxide were added to a solution under examination. The solution turned crimson. This analytical effect indicates presence of:
Answer options
- Manganese (II)
- Tantum (II)
- Bismuth (III)
- Iron (III)
- Chromium (III)
Correct answer
Manganese (II)
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