57 The final product C obtained in this reaction NH CH3 would be 1 3 NH CH3 NH CH3 Ac 0 A COCH 3 Br Br CH3COOH 4 COCH3 CH3 B CH

Question

57 The final product C obtained in this reaction NH CH3 would be 1 3 NH CH3 NH CH3 Ac 0 A COCH 3 Br Br CH3COOH 4 COCH3 CH3 B CH H 0 C H Br NHCOCH3 Br 58 Chemical leaching is useful in the concentration of

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