MCQ
Which one is the most acidic compound?
- A

- B

- ✓

- D







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Reason : $\overset{\centerdot \,\,\centerdot }{\mathop{N}}\,{{H}_{2}}$ is more electron donating than $\overset{\centerdot \,\centerdot \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,}{\mathop{O{{C}_{2}}{{H}_{5}}}}\,$

| Initial $[A_{(g)}]/mol \ dm^{-3}$ | Initial $[B_{(g)}]/mol \ dm^{-3}$ | Initial rate$/mol \ dm^{-3}S^{-1}$ |
| $3.0 \times 10^{-2}$ | $2.0 \times 10^{-2}$ | $1.89 \times 10^{-4}$ |
| $3.0 \times 10^{-2}$ | $4.0 \times 10^{-2}$ | $1.89 \times 10^{-4}$ |
| $6.0 \times 10^{-2}$ | $4.0 \times 10^{-2}$ | $7.56 \times 10^{-4}$ |