Why is `HNO_3` or`HIO_3`added in the aromatic electrophilic substitution using iodine.

Give plausible explanation for each of the following statements: Besides the ortho and para derivatives, considerable amount of meta derivatives is also formed during nitration of aniline OR Although amino group is o - and P - directing in aromatic electrophilic substitution reactions aniline on nitration gives a substantial amount of m-nitiline

Aromatic Aldehydes and Ketones, undergo Electrophilic substitution reaction. Which position in the aromatic ring are deacivated?

Write a note on electrophilic substitution reaction of amines OR convert (1) Aniline to p-bromo aniline. (2) Aniline to p-nitroaniline (3) Aniline to sulphanilic acid OR What is the action of following agents on aniline? 1 Conc H_2SO_4 (2) Aqueous bromine (3) Acetic anhydride (4) Chloroform and alcoholic KOH.

Aromatic Aldehydes and Ketones, undergo Electrophilic substitution reaction. Write the electrophils generated.

Aromatic Aldehydes and Ketones, undergo Electrophilic substitution reaction. What is the major product obtained when benzaldehyde reacts with cone nitric acid?

Explain the preparation of arly halides (haloarenes)using electrophilic substitution.

Write the products of nucleophilic substitution reaction of alkyl halide with NH_(3(alc))

When an excessof AgNO_3 is added to the complex one mole of AgCI is precipitated. The formula of the complex is