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Which give only monosubstituted product?...

Which give only monosubstituted product?

A

o -dinitrobenzene

B

m-dinitrobenzene

C

p -dinitrobenzene

D

Nitrobenzene

Text Solution

Verified by Experts

The correct Answer is:
B

gives only monosubstitution product as `-NO_(2)` group is meta directing and only one m-position is possible in m-dinitrobenzene.
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ERRORLESS-GENERAL ORGANIC CHEMISTRY -NCERT BASED QUESTIONS (Organic Reactions and their Mechanism )
  1. Which of the following undergoes nucleophilic substitution exclusively...

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  2. Hunsdiecker reaction involve free radical in intermediate steps.

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  3. Which give only monosubstituted product?

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  4. The species responsible for nitration is

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  5. Geometry of reaction intermediate in S(N^(1)) reaction is

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  6. Which of the following is most reactive toward nucleophilic substituti...

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  7. Neopentyl bromide undergoes dehydro halogenation to give alkene even t...

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  8. In electrophilic aromatic substitution reaction, the nitro group is me...

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  9. Find the product of the given reaction

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  10. Match the following Column A to Column B

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  11. Dehydrohalogenation in presence of OH^(-) is correctly represented by

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  12. The enantiomeric pair among the following four structures

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  13. The major product formed in the reaction

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  14. Which of the following are correct chain isomers of butane ? (i) <im...

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  15. Match the following Column A to Column B

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  16. In the reaction benzene with an electrophile E^(+), the structure of t...

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  17. The major product in the following reaction is

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  18. The major product of the following reaction is

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  19. Which of the following are correct chain isomers of butane ? (i) <im...

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  20. The order of S(N)1 reactivity in aqueous aceic acid solution for the c...

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