In this task, you are given a multiple-choice question about healthcare. Answer the question based on your information and classify your answers into '1', '2', '3', and '4'.
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Question: Question: The reaction product of cyclohexanone with bromine catalyzed by a base is: 
 Options:  <1> 2-Bromocyclohexanone. <2> 2,2-Dibromocyclohexanone. <3> 2,2,6-Tribomociclohexanona. <4> 1,1-Dibromocyclohexane. <5> 2,2,6,6-Tetrabromocyclohexanone.

Answer: 5


Question: Question: Sulfasalazine is used for the treatment of ulcerative colitis. It is a prodrug of 5-aminosalicylic acid that is activated by a process of: 
 Options:  <1> Hydrolysis of an ester. <2> Hydrolysis of an amide. <3> Oxidative dealkylation. <4> Reducing rupture of the azoderivative. <5> Aromatic hydroxylation.

Answer: 4


Question: Question: Reactions that use copper (I) salts as reagents to replace the nitrogen in the diazonium salts are called reactions of: 
 Options:  <1> Sandmeyer <2> Chichibabin <3> Peterson. <4> Gabriel. <5> Diels-Alder.

Answer:
1