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Which of following species does not exer...

Which of following species does not exert a resonance effect

A

`C_(6)H_(5)OH`

B

`C_(6)H_(5)Cl`

C

`C_(6)H_(5)NH_(2)`

D

`C_(6)H_(5) overset(+)(N)H_(3)`

Text Solution

Verified by Experts

The correct Answer is:
D
`C_(6)H_(5) overset(..)(N)H_(2) + H^(+) rarr underset("Anilinium ion")(C_(6) H_(5) overset(+)(N)H_(3))`
Anilinium ion formed by aniline on accepting a proton is less resonance stabilised than aniline. Due to absence of lone pair in conjugation of double bond of benzene it does not exert a resonance effect.
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ERRORLESS-ORGANIC COMPOUNDS CONTAINING NITROGEN-NCERT Based Questions (Aniline)
  1. Aniline on treatment with excess of bromine water gives

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  2. Aniline reacts with alkyl halide to give

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  3. Which of following species does not exert a resonance effect

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  4. Pure aniline is a :

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  5. Reaction of aniline with benzaldehyde is

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  6. The basicity of aniline is less than that of cyclohexylamine. This is ...

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  7. Which of the following will be obtained on acetylation of aniline

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  8. Which of the following is more basic than aniline? .

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  9. The product of reaction between anilne and acetic andyide is:

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  10. When aniline is nitrated with nitrating mixture in ice cold condition,...

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  11. In hydrolysis of aniline, the reagent used is

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  12. The correct increasing order of basic strength for the following compo...

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  13. The gas evolved when methylamine reacts with nitrous acid is

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  14. Triaminobenzene is a .

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  15. The reaction of chloroform with alcoholic KOH and p- toluidine forms

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  16. For the preparation of p-nitroiodobenzene from p-nitroaniline, the bes...

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  17. In acid medium nitrobenzene is reduced to aniline as shown in the reac...

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  18. In the series of reaction C(6)H(5)NH(2)underset(0-5^(@)C)overset(NaN...

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  19. Anilinum hydrogensulphate on heating with sulphuric acid at 453-473K p...

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  20. Aniline is treated wi.th bromine water to give an organic compound X w...

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