1.

Which of the following will not show iodoform testA. `CH_(3)-overset(O)overset(||)(C )-CH_(3)`B. `CH_(3)-overset(O)overset(||)(C )-Cl`C. `CH_(3)-overset(O)overset(||)(C )-NH_(2)`D. `CH_(3)-COOH`

Answer» Correct Answer - B::C::D
Choice (a) is incorrect.
`CH_(3)COCH_(3) +I_(2) rarr underset(" Iodoform")(CHI_(3)) darr + CH_(3)COOK`
Choice `(b)` is correct `CH_(3)-overset(O)overset(||)C-Cl` does not give iodoform test due to presence of Cl group.
The H-atoms on C-atoms will not show acidic behaviour.
Choice (c ) is correct `CH_(3)-overset(O)overset(||)C-NH_(2)` does not give iodoform test due to presence of `NH_(2)` is group.
The H-atoms on C-atoms will not show acidic behaviour .
`CH_(3)COOH` will not give iodoform test. Hence choice (d) is correct.


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