MCQ
The least active halogen with hydrogen is
- A$Cl$
- ✓$I$
- C$Br$
- D$F$
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(Rounded off to the nearest integer)
| Initial $[A_{(g)}]/mol \ dm^{-3}$ | Initial $[B_{(g)}]/mol \ dm^{-3}$ | Initial rate$/mol \ dm^{-3}S^{-1}$ |
| $3.0 \times 10^{-2}$ | $2.0 \times 10^{-2}$ | $1.89 \times 10^{-4}$ |
| $3.0 \times 10^{-2}$ | $4.0 \times 10^{-2}$ | $1.89 \times 10^{-4}$ |
| $6.0 \times 10^{-2}$ | $4.0 \times 10^{-2}$ | $7.56 \times 10^{-4}$ |

