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The product formed in the reaction given below is:
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Consider the following reactions:

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| 1. | \(\mathrm{H}_{\mathrm{A}}>\mathrm{H}_{\mathrm{D}}>\mathrm{H}_{\mathrm{B}}>\mathrm{H}_{\mathrm{C}} ~ \) | 2. | \(\mathrm{H}_{\mathrm{B}}>\mathrm{H}_{\mathrm{A}}>\mathrm{H}_{\mathrm{D}}>\mathrm{H}_{\mathrm{C}} ~\) |
| 3. | \(\mathrm{H}_{\mathrm{A}}>\mathrm{H}_{\mathrm{B}}>\mathrm{H}_{\mathrm{C}}>\mathrm{H}_{\mathrm{D}} ~\) | 4. | \(\mathrm{H}_{\mathrm{C}}>\mathrm{H}_{\mathrm{B}}>\mathrm{H}_{\mathrm{D}}>\mathrm{H}_{\mathrm{A}} ~\) |
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| 4. | \(\mathrm{C}_6 \mathrm{H}_5-\dot{\mathrm{C}}=\mathrm{O}\) |

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