Alcohols can be protonated by strong acids such as sulfuric acid.
This is the reaction scheme (I'm simply representing sulfuric acid as a proton source).
CH3OH + H+ ---> CH3OH2+
This protonated methanol species, the methyl oxonium ion, is now a pretty decent electrophile and can undergo a nucleophilic substitution.
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Methanol can react with sulfuric acid to form methyl hydrogen sulfate, which is a methylating agent. This reaction occurs under acidic conditions and is commonly used in organic synthesis.
Gold does not react with sulphuric acid under normal conditions. Gold is a noble metal and is resistant to corrosion by acids, including sulphuric acid.
Yes, methanol can react with acetic acid in the presence of a catalyst to form methyl acetate. This reaction is known as esterification.
When copper reacts with dilute sulphuric acid, copper sulfate and hydrogen gas are produced. The copper sulfate formed will be a blue solution. This reaction is a redox reaction, where copper is oxidized and hydrogen is reduced.
Many metals, metal oxides, metal hydroxides, and carbonates can react with sulfuric acid to form salts and release hydrogen gas. Organic compounds such as alcohols can also react with sulfuric acid to form esters.
Ammonia and sulfuric acid will react to form ammonium sulfate. This is a white crystalline solid that is commonly used as a fertilizer.