Which of the structures shown are major resonance contributors when nitrobenzene reacts with an electrophile in electrophilic aromatic substitution at the meta position?

Provide the structure of the major products formed in each step of the reaction sequence shown.

Which of the following substrates is an electron withdrawing group (deactivating) overall?

What is the most likely product from the following reactions.

What is the most likely major product for the reaction shown?

Determine the product(s) in the reaction below.    

What is the expected major product for the reaction shown?

What reagents are appropriate to carry out the following conversion?

Which one of the compounds shown gives 5-methyl-3-heptanol when LiAlH4 is added followed by water?

Which of the following alkylbenzenes would form the most ortho product?   A) tert-butylbenzene B) ethylbenzene              C) toluene          D) isopropylbenzene E) propylbenzene