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

Presence of a nitro group in a benzene ring.

A

deactivates the ring towards electrophilic substitution

B

activates the ring towards electrophilic substitution

C

renders the ring basic

D

deactivates the ring towards nucleophilic substitution

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The correct Answer is:
A
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NARAYNA-SOME BASIC PRINCIPLES AND TECHNIQUES-EXERCISE - III (PREVIOUS YEARS EXAMS QUESTIONS)
  1. Presence of a nitro group in a benzene ring.

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  2. The IUPAC name of neopentane is :-

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  3. The order of decreasing reactivity towards an electrophilic reagent, f...

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  4. The correct order regarding the electronegativity of hybrid orbitals o...

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  5. The IUPAC name of CH(3)-overset(CH(3))overset(|)(CH)-overset(O)overset...

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  6. The number of structure isomers possible from the molecular formula C(...

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  7. Base strength of (i)H(2)Coverset(oplus)CH(2) (ii) H(2)C = oplus...

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  8. In a S(N^(2)) substitution reaction of the type R-Br+Cl^(-)overset("...

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  9. The correct structure of 4 - bromo - 3 - methyl but - 1 - ene is

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  10. The C - H bond distance is the longest in

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  11. Nitrobenzene can be prepared from benzene by using a mixture of cone. ...

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  12. The IUPAC name of the compound having the formula CH-=C-CH=CH(2) is

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  13. The state of hydridisation of C(2),C(3),C(5) and C(6) of the hydrocarb...

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  14. Which of the following reactions is an example of nucleophilic substit...

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  15. IUPAC name of the given compound is CH(3) - oversetoverset(CH(3))(...

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  16. A compound with molecular formula C(6)H(14) has two tertiary carbons. ...

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  17. CH(3) - CH = undersetunderset(CH(2) -CH(2))(|)(C)- CH(2) - CH(3) Co...

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  18. The IUPAC name of the following compound is CH(2) = C = CH- CH(3)

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  19. Which one of the following compounds has the most acidic nature ?

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  20. Given are cyclohexanol (I), acetic acid (II),2,4,6-trinitrophenol (III...

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