Which is the first step of the reaction below? protonation of benzene NO2 HNO3 protonation of nitric acid attack of the aromatic ring on nitric acid hydrolysis of sulfuric acid H2SO4

Please don't provide handwritten solution

What is the major product? 1) Ph-CH,-M¤Br 2H i OH Ph OH I Ph Ph Ph

Payalben

propose mechanisms for the following reactions.

33a, no need to explain too much.

Ph- OC XT :OH₂ Primary amines add to aldehydes and ketones to give imines. Imines are formed in a reversible, acid-catalyzed process that begins with nucleophilic addition of the primary amine to the carbonyl group, followed by transfer of the proton to yield a neutral carbinolamine. Protonation of the hydroxyl group converts it into a good leaving group and an E1-like loss of water yields an iminium ion. Deprotonation yields the product imine and regenerates the acid catalyst. Draw curved arrows to show the movement of electrons in this step of the mechanism. Arrow-pushing Instructions NHOH CH3 CH3 NH₂OH OH HN I Ph CH3 OH H₂O CH3 за

What is the product of the reaction shown below? pyridine OH

A set of three nucleophilic displacement reactions is shown below: - Br -Br -Br "CHз Hзс CHз C В A NaCN CH-он SN2 reaction Which reaction (A, B, or C) proceeds the fastest? Which reaction (A, B, or C) proceeds the slowest?

What is the expected product for the following reaction sequence? CI H Ag₂O NaOH 27 Product