Chemistry - Biomolecules Question with Solution | TestHub

ChemistryBiomoleculesAMINO ACIDMedium2 minPYQ_2018

ChemistryMediumsingle choice

The predominant form of histamine present in human blood is $({pK}_{a}, Histidine = 60)$

Options:

Answer:

Solution:

Structure of histamine

Blood is slightly basic in nature ( $pH = 7.35$ ) approx. At this $pH$ terminal ${NH}_{2}$ will get protonated due to more basic nature.
$∴$ Predominant structure of histamine is

Stream:JEESubject:ChemistryTopic:BiomoleculesSubtopic:AMINO ACID

⏱ 2mℹ️ Source: PYQ_2018

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