Which of the following is true for the geomet | vedclass

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(D) In histamine,there are three nitrogen atoms labeled as $(I)$,$(II)$,and $(III)$: $1$. Nitrogen $(I)$ is part of the imidazole ring and is bonded t

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All of the above

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(D) In histamine,there are three nitrogen atoms labeled as $(I)$,$(II)$,and $(III)$: $1$. Nitrogen $(I)$ is part of the imidazole ring and is bonded to one $H$ atom and two $C$ atoms. It has one lone pair. Its hybridization is $sp^2$,resulting in a trigonal planar geometry. $2$. Nitrogen $(II)$ is part of the imidazole ring and is double-bonded to a $C$ atom. It has one lone pair. Its hybridization is $sp^2$,resulting in a trigonal planar geometry. $3$. Nitrogen $(III)$ is an aliphatic primary amine nitrogen bonded to two $H$ atoms and one $C$ atom. It has one lone pair. Its hybridization is $sp^3$,resulting in a pyramidal (tetrahedral electron geometry) shape. Since all statements $(A)$,$(B)$,and $(C)$ are correct,the correct option is $(D)$.

Which of the following is true for the geometry of different nitrogen atoms $(N)$ present in histamine as labeled in the structure?

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