Please answer this question step by step. I'm very weak in Org chem.
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___ 11. |
Of Huckel's requirements for aromatic character, only this one is waived in the case of certain compounds considered to be aromatic. |
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A) |
The ring system must be planar. |
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B) |
The system must be monocyclic. |
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C) |
There must be (4n + 2) p electrons. |
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D) |
The Huckel number of electrons must be completely delocalized. |
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E) |
None. All of these rules must apply in every case. |
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Please answer this question step by step. I'm very weak in Org chem. ___ 11. Of...
Please answer this question step by step. I'm very weak in Org chem. ___ 13. A compound has the formula C8H9Br. Its 1H NMR spectrum consists of: doublet, d 2.0 quartet, d 5.15 multiplet, d 7.35 The IR spectrum shows two peaks in the 680-840 cm-1 region; one is between 690 and 710 cm-1 and the other is between 730 and 770 cm-1. Which is a possible structure for the compound? A) p-BrC6H4CH2CH3 D) C6H5CHBrCH3 B) p-CH3C6H4CH2Br...
Which of the following statements is not true for a compound to be considered aromatic? Select one: O a. the compound must be monocyclic b. the compound must have 4n + 2 pi-electrons delocalized over the ring system O c. the compound must have conjugated p-orbitals at ever atom of the ring o d. the compound must be planar