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Some meta-directing substituents in arom...

Some meta-directing substituents in aromatic substitution are given. Which one is most deactivating

A

`-COOH`

B

`-NO_(2)`

C

`-C -=N`

D

`-SO_(3)H`

Text Solution

Verified by Experts

The correct Answer is:
B
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NARAYNA-SOME BASIC PRINCIPLES AND TECHNIQUES-EXERCISE - III (PREVIOUS YEARS EXAMS QUESTIONS)
  1. The structure of isobutyl group in an organic compound is

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  2. Structure of the compound whose IUPAC name is 3-Ethyl -2-hydroxy -4-me...

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  3. Some meta-directing substituents in aromatic substitution are given. W...

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  4. Given Which of the given compounds can exhibit tautomerism ?

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  5. Which of the following is the most correct electron displacement for a...

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  6. IN which of the following compounds, the C-Cl bond ionization shall gi...

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  7. Which of the following statements is not correct for a nucleophile ?

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  8. The compound having only primary hydrogen atom is :-

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  9. The names of some compounds are given. Which one not in the IUPAC syst...

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  10. CH(3) - undersetunderset(Cl)(|)C = CH - undersetunderset(O)("||")C - O...

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  11. The general molecular formula, which represents the homologous series ...

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  12. Which of the following is the strongest base :-

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  13. Which of the following is more active in a nucleophilic substitution r...

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  14. The strongest base among the following is :-

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  15. Among the following the aromatic compound is

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  16. Which of the following compounds has the highest boiling point ?

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  17. The correct increasing order of the reactivity of halides for S(N)' re...

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  18. Arrange the following in correct order of nucleophilicity :- CH(3)-O...

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  19. Which amongst the following is the most stable carbocation :-

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  20. Which one of the following compounds is most acidic :-

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