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Exam questionKROK 2Pharmacy ยท 2010

Which of the following reagents should be added to the isoniazid to achieve blue colour and precipitation that turns light-green and emits gases when heated?

Answer options

  1. Iron (III) chloride solution
  2. Alkaline solution
  3. Copper sulfate solution
  4. Silver nitrate solution
  5. Hydrochloric acid solution
Correct answer

Copper sulfate solution

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