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ENTRANCE TEST – 2010 :: Discussion
| 21. | The introduction of NO2 group in benzene ring is called ‘Nitration’. The nitration of benzene takes place when it is heated with a 1:1 mixture of _________ at 50 oC-55 oC. | |
| A. | Conc. HNO3 and conc. HCl | |
| B. | Conc. HNO3 and conc. Acetic acid | |
| C. | Conc. HNO3 and H3PO4 | |
| D. | Conc. HNO3 and conc. H2SO4 | |
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