Although the amino group is 0- and p-directing in aromatic electrophilic substitution reactions, aniline on nitration gives a substantial amount of nitroaniline.
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$- N O_{2}$ group thatis nitro group is an electron withdrawing group .so itdoes not undergo friedal craft reaction an ortho and para position as it deactives benzeme ring mainly at ortho and para position for electrophilic subsitition reaction.there fore meta product is formedso ans is true

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Q. Amino group is ortho, para-directing for aromatic electrophilic substitution. On nitration of aniline good amount of m-nitroaniline is obtained. This is due to:

Amino group is ortho, para directing for aromatic electrophilic substitution. On nitration of aniline with concentrated acids, a good amount of meta nitro aniline is obtained. This is due to

Account for the following:

(i) pK_bof aniline is more than that of methylamine.

(ii) Ethylamine is soluble in water whereas aniline is not.

(iii) Methylamine in water reacts with ferric chloride to precipitate hydrated ferric oxide.

(iv) Although amino group is o, p− directing in aromatic electrophilic substitution reactions, aniline on nitration gives a substantial amount of m-nitroaniline.

(v) Aniline does not undergo Friedel-Crafts reaction.

(vi) Diazonium salts of aromatic amines are more stable than those of aliphatic amines.

(vii) Gabriel phthalimide synthesis is preferred for synthesising primary amines.

Account for the following

(i) $p K_{b}$ of aniline is more than that of methyl amine.

(ii) Ethylamine is soluble in water whereas aniline is not

(iii) Methyl amine in water reacts with ferric chloride to precipitate hydrated ferric oxide

(iv) Although amino group is o- and p- directing in aromatic electrophilic substitution, aniline on nitration gives a substantial amount of m-nitroaniline

(v) Aniline does not undergo Friedel Crafts reaction

(vi) Diazonium salts of aromatic amines are more stable than those of aliphatic amines

(vii) Gabriel phthalimide synthesis is preferred for synthesising primary amines

Q. Amino group is o, p-directing for electrophilic substitution reaction. But, on nitration the major product is m - nitroaniline because:

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Although the amino group is 0- and p-directing in aromatic electrophilic substitution reactions, aniline on nitration gives a substantial amount of nitroaniline. If this is true enter 1 if false enter 0.

−NO2 group thatis nitro group is an electron withdrawing group .so itdoes not undergo friedal craft reaction an ortho and para position as it deactives benzeme ring mainly at ortho and para position for electrophilic subsitition reaction.there fore meta product is formedso ans is true

Although the amino group is 0- and p-directing in aromatic electrophilic substitution reactions, aniline on nitration gives a substantial amount of nitroaniline.
If this is true enter 1 if false enter 0.

$- N O_{2}$ group thatis nitro group is an electron withdrawing group .so itdoes not undergo friedal craft reaction an ortho and para position as it deactives benzeme ring mainly at ortho and para position for electrophilic subsitition reaction.there fore meta product is formedso ans is true