객관식
Which of the following best describes the Lewis structure of (HSIP)?
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1. A Review of General Chemistry
Lewis Structure
객관식
Which of the following best describes the Lewis structure of cyanazine ()?
A
It contains a cyclohexane ring with only single bonds, no nitrogen atoms, and a chlorine atom attached to the ring.
B
It contains a pyridine ring with one nitrogen atom, a chlorine atom attached to the nitrogen, and incomplete octets on the ring atoms.
C
It contains a triazine ring with alternating double and single bonds, three nitrogen atoms in the ring, a chlorine atom attached to the ring, and all atoms have complete octets.
D
It contains a benzene ring with only carbon atoms, no nitrogen atoms, and a chlorine atom attached to a methyl group.
검증된 단계별 안내1
Identify the molecular formula given: C\_9H\_13N\_7Cl, which suggests the presence of multiple nitrogen atoms and a chlorine atom in the structure.
Recall that cyanazine is a herbicide known to contain a triazine ring, which is a six-membered aromatic ring with three nitrogen atoms alternating with three carbon atoms.
Understand that the triazine ring has alternating double and single bonds, contributing to aromaticity and stability, and that each atom in the ring typically satisfies the octet rule.
Recognize that the chlorine atom is attached to the triazine ring, not to a methyl group or nitrogen atom directly, and that the ring does not contain only carbon atoms or a cyclohexane structure.
Conclude that the best Lewis structure description is one with a triazine ring having alternating double and single bonds, three nitrogen atoms in the ring, a chlorine atom attached to the ring, and all atoms having complete octets.
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