Difference between benzophenone and acetophenone.

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Solution

Benzophenone
Acetophenone
It does not give an iodoform test due to the unavailability of a free methyl group. It will show a positive iodoform test due to the availability of the free methyl group.
It is a phenyl ketone. It is a methyl ketone.
Not at all soluble in water. It is less soluble in water.
Benzophenone does not have any methyl group at the alpha position, so does not give an iodoform test. Acetophenone does have a methyl group at the alpha position, so give a positive iodoform test.

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Benzophenone	Acetophenone
It does not give an iodoform test due to the unavailability of a free methyl group.	It will show a positive iodoform test due to the availability of the free methyl group.
It is a phenyl ketone.	It is a methyl ketone.
Not at all soluble in water.	It is less soluble in water.
Benzophenone does not have any methyl group at the alpha position, so does not give an iodoform test.	Acetophenone does have a methyl group at the alpha position, so give a positive iodoform test.