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ENTRANCE TEST – 2016 Multiple Questions and Answers.
| 21. | The rate constant ‘k’ is 0.693 min-1. The half-life for the 1st order reaction will be: | ||
| A. | 1 min | ||
| B. | 2 min | ||
| C. | 0.693 min | ||
| D. | 4 min | ||
| 23. | The ionic radius of fluoride ion is: | ||
| A. | 72 pm | ||
| B. | 95 pm | ||
| C. | 136 pm | ||
| D. | 157 pm | ||
| 24. | 2NaOH(aq) + Cl2(g) NaCl + NaClO + H2O proceed at: | ||
| A. | 500 °C | ||
| B. | 200 °C | ||
| C. | -10 °C | ||
| D. | 15 °C | ||
| 25. | Which halogen molecule ‘X2’ has lowest dissociation energy? | ||
| A. | Cl2 | ||
| B. | Br2 | ||
| C. | I2 | ||
| D. | F2 | ||
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