a) Predict the structure of the major product(s) formed in each of the following reactions: (i) Br2 FeBr3 (ii) OCH3 HNO3 H2SO4 NO2 (ii) LOCH3 į. AICI3 ii. H2O CI (10 marks)

Q: What is the correct pathway to synthesize the following compound? NH₂ 20 HO a. b. d. Br CH3CI AICI 3…

A: Product of following reaction can be made by applying appropriate reaction mechanism.

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Q: Which compound is the product of the following reaction sequence? Br₂ Mg ‚H+ FeBr3 Et₂O PBr3…

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Q: What is (are) the predicted major product(s) for the reaction shown? 11 E 111 O₂N O₂N. HNO3/H2SO4…

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Q: Chemistry

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Q: Br2 (g) FeBr3 CI CI Br2 H2NNH2 В C (h) A FeBr3 AICI3 OH (Give all products) NH2 HNO3 (i) H2SO4

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Q: H20, H2SO, (h) H&SO, (i) CH3-C=c-CH3 + H2 Lindlar CH3OH B H2SO, Br2 (6) CH,-CH=CH-CH, 2NANH, B

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Q: 1. ВН/ THF 1. CHзMgBr, A 2. Н2О2, ОН", H20 2. Н2О or HзО* Give all 2 products (2 pts each)

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Q: 8. Predict the major product for each of the following reactions: LAH LAOR 13

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Q: HO" HO CI CI

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Q: OH OH OH SOCI₂, pyr PCI, PBr3

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Aromatic Compounds

Aromatic organic compound or aromatic system is an important class of hydrocarbons under the branch of organic chemistry. Aromatic compounds are also called arenas. The definition of aromatic organic compounds can be stated as a class of organic compounds with a planar cyclic ring of atoms bonded through alternated single and double bonds. Due to these alternating bonds, a peculiar feature termed as ‘resonance’, that is, delocalization of pi electrons or the electrons is shared within the atoms of the ring which are present in the aromatic compounds. The word ‘aromatic’ includes a Greek word ‘aroma’ which means smell, indicating that they were named as such due to the sweet odor they produce. Many well-known flavors such as vanilla, cinnamon, and few scents from flowers are extracted from aromatic compounds. Benzene with chemical formula C6H6 is a very common aromatic compound that contains six atoms of carbon held in the cyclic ring of alternate double bonds. It is also to be noted that not all aromatic compounds contain benzene ring. This can be explained by Huckel’s rule.