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ENTRANCE TEST – 2013 Multiple Questions and Answers.
| 22. | The catalyst used in the Haber’s process is: | ||
| A. | Magnesium oxide | ||
| B. | Aluminium oxide | ||
| C. | Silicon oxide | ||
| D. | Iron crystals with metal oxide promoters | ||
| 23. | Select the nucleophile from the following examples: | ||
| A. | NO2 | ||
| B. | NH3 | ||
| C. | NO2 + | ||
| D. | N+H4 | ||
| 24. | The order of reactivity of alkyl halides towards nucleophile is: | ||
| A. | RI > RBr > RF > RCl | ||
| B. | RI > RBr > RCl > RF | ||
| C. | ) RF > RCl > RBr > R | ||
| D. | RF > RBr > RCl > RI | ||
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