(a)
Interpretation: To identify the number of amide
Concept introduction: A functional group is an atom or a molecule in the compound which gives the characteristic property to that particular compound. It is the site where the reaction takes place.
(b)
Interpretation: To identify which OH groups are attached to sp3 C-atom and which are attached at sp2 hybridized C-atoms.
Concept introduction: A sp3 hybridization is shown by the C-atoms which are bonded to four substituents and a sp2 carbon atom is bonded to three substituents.
(c)
Interpretation: To identify whether the given compound vancomycin is water soluble or not.
Concept introduction: Hydrogen bonding is seen in those molecules in which a hydrogen atom is bonded to an electronegative atom containing a lone pair like F, N or O. Hydrogen bond is formed when a H atom bonded to the electronegative atom gets attracted towards the lone pair of the electronegative atom present on another molecule. Thus, a molecule can form hydrogen bond with water if it contains electronegative atoms like F, N or O.
(d)
Interpretation: To identify the most acidic proton.
Concept introduction: The most acidic proton is the one present on the functional group which can donate a proton readily and can form salt.
(e)
Interpretation: To identify three functional groups which can form hydrogen bonds.
Concept introduction: Hydrogen bonding is seen in those molecules in which a hydrogen atom is bonded to an electronegative atom containing a lone pair like F, N or O. Hydrogen bond is formed when a H atom bonded to the electronegative atom gets attracted towards the lone pair of the electronegative atom present on another molecule.
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