Electrophilic substitution in case of ar...

Electrophilic substitution in case of aromatic amines takes place more readily than in benzene.

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To reduce the activating effect of `NH_2` group.

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Electrophilic aromatic substitution is difficult in

Electrophilic substitution in benzoic acid takes place at meta position why ?

Electrophilic subsitution reaction in phenol take place at :

Nitration is an example of aromatic electrophilic substitution and its rate depends upon the group already present in the benzene ring. Out of benzene and phenol, which one is more easily nitrated and why ?

Explain why are electrophilic substitution reactions the most characteristic reactions of benzene?

(a) How will you convert (i) Benzene to acetophenone (ii) Propanone to 2-Methylpropan-2-ol (b) Give reasons : (i) Electrophilic substitution in benzoic acid takes place at meta position. (ii) Carboxlic acids are higher boiling liquids than aldehydes,, ketones and alchols of comparable molecular masses. (iii) Propanal is more reactive than propanone in nucleophilic addition reactions.

For an electrophilic substitution reaction , the presence of a halogen atom in the benzene ring …..

A : Aromatic aldehydes are less reactive than aliphatic aldehyde towards nucleophilic substitution reaction. R : In case of aromatic aldehyde,+R effect of phenyl ring is present.

The substitution will mainly take place at position :

ICSE-ORGANIC COMPOUNDS CONTAINING NITROGEN-EXERCISE (PART-II DESCRIPTIVE QUESTIONS- LONG ANSWER QUESTIONS )

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