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Question
Which of the following compounds gives yellow precipitate with I2 and alkali?
Which of the following compounds gives yellow precipitate with I2 and alkali?
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Solution
The correct option is D CH3CH2OH
From iodoform reaction, it can be seen that it is given by
2-alkanols ⎛⎜⎝CH3−OH|CH−R⎞⎟⎠ or by methyl ketones ⎡⎢⎣CH3−O||C−R⎤⎥⎦. 2-Alkanols are easily oxidized to methyl ketones which further give the iodoform formation indicated by the yellow precipitate formation.
From iodoform reaction, it can be seen that it is given by
2-alkanols ⎛⎜⎝CH3−OH|CH−R⎞⎟⎠ or by methyl ketones ⎡⎢⎣CH3−O||C−R⎤⎥⎦.
2-Alkanols are easily oxidized to methyl ketones which further give the iodoform formation indicated by the yellow precipitate formation.
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