JEE Main & Advanced
JEE Main Paper (Held on 09-4-2019 Afternoon)
question_answer
The peptide that gives positive ceric ammonium nitrate and carbylamine tests is : [JEE Main 9-4-2019 Afternoon]
A)Lys-Asp
B)Ser-Lys
C)Gln-Asp
D)Asp-Gln
Correct Answer:
B
Solution :
Serine Lysine Lysine has \[-N{{H}_{2}}\] group hence gives \[\oplus \text{ve}\] carbyl amine test and serine has -OH group hence gives \[\oplus \text{ve}\]serric ammonium nitrate test