ABC26OR0492 · Natural Products
Subject: Organic Chemistry · Chapter: Natural Products · Topic: Natural Products & – General · Exam: GATE 2000-2022 · Marks: 2 · Difficulty: Medium
Three molecular ionic states, $\mathrm{P}-\mathrm{R}$, are possible for the amino acid histidine. Identify the correct choice of pH values, respectively, for the observation of the ionic states P-R. 
(a)P at $\mathrm{pH} 1: \mathrm{Q}$ at $\mathrm{pH} 12: \mathrm{R}$ at pH 7
(b)
P at pH 7 ; Q at pH 1 ; R at pH 12
P at pH 7 ; Q at pH 1 ; R at pH 12(c)P at pH 12; Q at pH 7; R at pH 1
(d)P at pH 12 ; Q at pH 1 ; R at pH 7
Answer
Answer (as printed): A
Explanation
No explanation was printed for this question.