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How is the basic strength of aromatic am...

How is the basic strength of aromatic amines affected by the presence of an electron releasing group on the benzene ring?

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Basic strength of aromatic amines is increased by the presence of electron releasing group on the benzene ring.
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The typical reaction of benzene and other aromatic compounds are electrophilic substitution. Presence of electron donating group activates the ring towards electrophilic substitution, while presence of electron withdrawing group deactivates the ring towards electrophilic substituion but at the same time activates the ring towards nucleophilic subsituion. Some groups are predominantly meta-directing and all of these are deactivating. Except halogen, most of the o- and p- directing groups are activating groups. Which of the following compound is not formed. X represents mixture of organic compounds. The mixture does not contain

The typical reaction of benzene and other aromatic compounds are electrophilic substitution. Presence of electron donating group activates the ring towards electrophilic substitution, while presence of electron withdrawing group deactivates the ring towards electrophilic substituion but at the same time activates the ring towards nucleophilic subsituion. Some groups are predominantly meta-directing and all of these are deactivating. Except halogen, most of the o- and p- directing groups are activating groups. underset(Delta)overset(C_(2)H_(5)Cl.AlCl_(3))rarr(A) major. A is trisubstituted benzene. The structure of A is :

The typical reaction of benzene and other aromatic compounds are electrophilic substitution. Presence of electron donating group activates the ring towards electrophilic substitution, while presence of electron withdrawing group deactivates the ring towards electrophilic substituion but at the same time activates the ring towards nucleophilic subsituion. Some groups are predominantly meta-directing and all of these are deactivating. Except halogen, most of the o- and p- directing groups are activating groups. underset(Delta)overset(C_(2)H_(5)Cl.AlCl_(3))rarr(A) major. A is trisubstituted benzene. The structure of A is :

Why does the basic strength of the hydroxides of alkali metals increase on moving down the group ?

ICSE-ORGANIC COMPOUNDS CONTAINING NITROGEN-EXERCISE (PART-II DESCRIPTIVE QUESTIONS- VERY SHORT ANSWER QUESTIONS )
  1. Cyclohexylamine is stronger base than aniline because

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  2. CH3 CONH2 is a weaker base than CH3 CH2 NH2.

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  3. How is the basic strength of aromatic amines affected by the presence ...

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  4. Identify A and B in the following sequence : CH3COOC2 H5 overset(NH...

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  5. Why is carbon-nitrogen bond length in aromatic amines shorter than in ...

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  6. How is phenylaminomethane obtained from phenylnitrile ?

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  7. How is aminoethane obtained from ethanal ?

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  8. Electrophilic substitution in case of aromatic amines takes place more...

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  9. How is aniline obtained from benzoic acid ?

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  10. Illustrate the following with an example : Acetylation reaction.

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  11. Give chemical tests to distinguish between the following| pair of comp...

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  12. State the reaction taking place when : Bromine water is added to the a...

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  13. Give a chemical test to distinguish between aniline and N-methylanilin...

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  14. How is m-nitroaniline obtained from nitrobenzene?

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  15. Direct nitration of aniline is not carried out. Explain why?

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  16. Name one reagent used for separation of primary, secondary and tert-am...

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  17. Give one example of a zwitterion.

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  18. Mention the chief use of quaternary ammonium salts derived from long c...

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  19. Mention two important uses of sulfanilic acid.

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  20. What is diazotization ?

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