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(A) The structures represent different resonance contributors of $p$-nitro-$N,N$-dimethylaniline. Structure $(I)$ is the neutral form with a nitro gro

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(A) The structures represent different resonance contributors of $p$-nitro-$N,N$-dimethylaniline. Structure $(I)$ is the neutral form with a nitro group. Structure $(II)$ is another representation. Structures $(III)$ and $(IV)$ involve charge separation resulting from the strong $+M$ effect of the dimethylamino group and the $-M$ effect of the nitro group,leading to a quinonoid structure. These structures illustrate the delocalization of electrons across the benzene ring.

Column-$I$	Column-$II$
$(1) -C-O-C-$	$(a)$ Phosphodiester bond
$(2) -C-O-O-C-$	$(b)$ Glycosidic bond
$(3) -C-NH-CO-$	$(c)$ Ester bond
$(4) -C-O-P-O-C-$	$(d)$ Peptide bond

Column $I$	Column $II$
$(a)$ Aquaporin	$(i)$ Amide
$(b)$ Asparagine	$(ii)$ Polysaccharide
$(c)$ Abscisic acid	$(iii)$ Polypeptide
$(d)$ Chitin	$(iv)$ Carotenoids

The provided image shows chemical structures related to resonance and electronic effects. Identify the correct relationship or description for these structures.

Similar Questions

Match the following chemical linkages with their respective types:

Column-$I$ Column-$II$

$(1) -C-O-C-$ $(a)$ Phosphodiester bond

$(2) -C-O-O-C-$ $(b)$ Glycosidic bond

$(3) -C-NH-CO-$ $(c)$ Ester bond

$(4) -C-O-P-O-C-$ $(d)$ Peptide bond

Match the following:

Column $I$ Column $II$

$(a)$ Aquaporin $(i)$ Amide

$(b)$ Asparagine $(ii)$ Polysaccharide

$(c)$ Abscisic acid $(iii)$ Polypeptide

$(d)$ Chitin $(iv)$ Carotenoids

Select the correct option:

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