A

`r_1gtr_2` but `r_3gtr_4`

B

`r_2gtr_1` but `r_3gtr_4`

C

`r_1gtr_2` but `r_4gtr_3`

D

`r_2gtr_1` but `r_4gtr_3`

Text Solution

Verified by Experts

The correct Answer is:
D
Although bromination of nitrobenzene is more difficult than nitration of bromobenzene (i.e., `r_2gtr_1`) but in case of second electrophilic substitution `r_4gtr_3`.
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A2Z-ORGANIC COMPOUNDS CONTAINING NITROGEN-Nitrocyanide And Isocyanides
  1. Nitrosobenzene can be isolated from nitrobenzene under

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  2. Secondary nitro compounds when react with HNO2 forms crystalline solid...

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  4. When methyl cyanide is hydrolysed in presence of alkali, the product i...

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  5. Identify the product Z in the series CH3CNrarroverset(Na+C2H5OH)toXo...

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  6. In the reduction of nitrobenzene, which of the following is the interm...

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  7. In the reaction CH3CN+CH3MgIrarrAoverset((H2O)/(H^(+)))toB The compo...

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  8. Aniline when treated with conc. HNO3 gives

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  9. p-Nitrobromobenzene can be converted to p-nitroaniline by using NaNH2....

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  10. The mojor product (70% to 80%) of the reaction between m-dinitrobenzen...

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  11. The most unlikely representation of resonance structures of p-nitrophe...

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  12. What is formed, when nitrobenzene is reduced using zinc and alkali?

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  13. Decreasing order basicity is (1) CH3CONH2 (2) CH3CH2NH2 (3) Ph-C...

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  14. Nitrobenzene on further excessive nitration gives

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  15. Hydrolysisi of acetonitrile in acidic medium produces

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  16. Product A in above reaction is :

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  17. Product obtained by electrolytic reduction of nitrobenzene in presence...

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  18. A nitrogen containing organic compound gave an oily liqid on heating w...

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  19. in the reaction CH3CH+2Hunderset(Ether)overset(HCl)toXunderset(H2O)o...

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  20. The following reaction is:

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