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Presence of a nitro group in a benzene r...

Presence of a nitro group in a benzene ring:

A

deactivites the ring towards electrophlic substitution

B

activities the ring towards electrophilic subtitution

C

renders the ring basic

D

deactivities the ring towards nucleophilic substitution

Text Solution

Verified by Experts

The correct Answer is:
A
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OP TANDON-ORGANIC COMPOUNDS CONTAINING NITROGEN-Level A
  1. 2,4,6-Trinitrochlorobenzene on warming with water produces:

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  2. Reactivity order of the following towards NaOEt, EtOH

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  3. Presence of a nitro group in a benzene ring:

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  4. The conversion of m-nitrophenol to resorcinol inivolves respectively:

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  5. Toluene is nitrated and the resulting product is reduct is reduced wit...

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  6. Arrange the following compounds in increasing order of their acidic st...

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  7. A given nitrogen-containing compound A reacts with Sn//HCI followed by...

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  8. The correct sequence of reactions to be performed to convert benzene i...

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  9. The reagent with which of the following reaction is best accomplised b...

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  10. Phenyl isocynaide is prepared from aniline by:

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  11. An aromatic compound 'A' (C(7)H(9)N) on reacting with NaNO(2)//HCl at ...

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  12. The the identification of beta-napthol using dye test, it is necessary...

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  13. In the reaction shown below the major product (s) formed is/are .

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  14. An organic compound 'A' on reduction give compound 'B' which on reacti...

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  15. Which one of the following -compounds does not react with nitrous acid...

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  16. In the reaction the product E is :-

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  17. In the following reactions, the major product W is:

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  18. Which one of the following can be prepared by Gabriel phtahlimide syn...

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  19. In the hofmann-bromamide degradation reaction, the number of moles of ...

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  20. The product (s) of the following reaction sequence is (are)

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