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  4. The heating of oxime of acetone in presence of conc. H2SO4 to form N-methyl ethanamide is called

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Q. The heating of oxime of acetone in presence of conc. $H_{2}SO_{4}$ to form N-methyl ethanamide is called

NTA AbhyasNTA Abhyas 2020

Solution:

The heating of oxime of acetone in presence of conc. $H_{2}SO_{4}$ to form N-methyl ethanamide is called Beckmann rearrangement. In Beckmann rearrangement, R-migrates from carbon to nitrogen of an oxime to form N-substituted amide.

Solution

Loss of $H_{2}O$ occurs with simultaneous migration of the trans-R'.

Solution