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Question

Which set of reaction condition is best suited for the preparation of 5−oxohexanoic acid from 5−bromo−2−pentanone?

A
i) NaCN in ethanol; ii) H3O(+) & heat
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B
i) NaCCH in ether; ii) aqueous KMnO4 & heat
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C
i) Mg in ether; ii) CO2, then H3O(+)
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D
i) NaOH in ethanol; ii) John's regent
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Solution

The correct option is A i) NaCN in ethanol; ii) H3O(+) & heat
Here Sodium Cyanide in ethanol and Hydronium ion with heat are used for the preparation of 5-oxohexanoic acid and 5-bromo-2-pentanone
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