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dintro benzene is reduced in presence of Na2S2
toulene+sulphuric acid = o-methyl benzene sulphonic acid + p-methyl benzene sulphonic acid. Since methly group is ortho and para directed group so it activates benzene ring for electrophilic substitution reaction.
Acetic acid is used in the synthesis of phenyl mercuric acetate by combining mercuric acetate with benzene to create an antifungal used in agriculture. It is both flammable and extremely explosive.
That's an electrophilic aromatic substitution reaction ad will replace a hydrogen with a NO2 group on the ring
sulphuric acid of course.
dintro benzene is reduced in presence of Na2S2
yes it is
preparation of m-nitro benzoic acid from benzene
You react oil with Sulphur Trioxide via falling film reactor or react oil with Oleum (very strong Sulphuric Acid) in a CSTR reactor. The name of the process is Sulphonation or Sulfonation depending on English or American spelling style.
Synthesis of acetyl chloride via the reaction of acetic acid with sulphuric acid
toulene+sulphuric acid = o-methyl benzene sulphonic acid + p-methyl benzene sulphonic acid. Since methly group is ortho and para directed group so it activates benzene ring for electrophilic substitution reaction.
Acetic acid is used in the synthesis of phenyl mercuric acetate by combining mercuric acetate with benzene to create an antifungal used in agriculture. It is both flammable and extremely explosive.
reaction between citricacid and fuming sulphuric acid at minus temperatures forms acetone di carboxylic acid
Most of the sulphur produced is used to produce sulphuric acid, H2SO4, the most important manufactured chemical in the world. Sulphuric acid has many uses, including for the synthesis of fertilisers and polyamides. It is used in batteries ("battery acid").
That's an electrophilic aromatic substitution reaction ad will replace a hydrogen with a NO2 group on the ring
Not sure what you mean... If you mean 'how is benzene used for the Grignard synthesis of Benzoic Acid,' then the answer is, bromobenzene (C6H5Br) is turned into phenyl Grignard (C6H5MgBr) by the addition of Magnesium in ether, and then dry ice (solid CO2) is added to the reaction mixture to make Benzoate (C6H5COO-), which is the conjugate base of Benzoic Acid. That has got to help you somehow.
The valency for sulphuric acid is H2SO4