sathee Ask SATHEE

Welcome to SATHEE !
Select from 'Menu' to explore our services, or ask SATHEE to get started. Let's embark on this journey of growth together! 🌐📚🚀🎓

I'm relatively new and can sometimes make mistakes.
If you notice any error, such as an incorrect solution, please use the thumbs down icon to aid my learning.
To begin your journey now, click on

Please select your preferred language

JEE PYQ: Biomolecules And Polymers Question 61

Question 61 - 2019 (11 Jan Shift 2)

The correct match between Item I and Item II is:

Item I Item II
(A) Ester test (P) Tyr
(B) Carbylamine test (Q) Asp
(C) Phthalein dye test (R) Ser
(S) Lys

(1) (A) $\to$ (Q, R); (B) $\to$ (S); (C) $\to$ (P)

(2) (A) $\to$ (R); (B) $\to$ (Q); (C) $\to$ (P)

(3) (A) $\to$ (R); (B) $\to$ (S); (C) $\to$ (Q)

(4) (A) $\to$ (Q); (B) $\to$ (S); (C) $\to$ (R)

Show Answer

Answer: (1)

Solution

(P) Tyrosine: Tyr $(-\text{CH}_2-\text{C}_6\text{H}_4-\text{OH})$ Phthalein dye test (C). (Q) Aspartic acid: Asp $(-\text{CH}_2\text{COOH})$ Ester test (A). (R) Serine: Ser $(-\text{CH}_2\text{OH})$ Ester test (A). (S) Lysine: Lys $(-(\text{CH}_2)_4-\text{NH}_2)$ Carbylamine test (B).


Learning Progress: Step 61 of 65 in this series