1.

Which among the following pairs cannot be distinguished by idoform test ?

Answer»

`CH_3CHO " and " C_6H_5CH_2CHO`
`CH_3OH " and " C_2H_5OH`
`CH_3CHO " and " C_2H_5OH`

Solution :Ehtanol gives POSITIVE iodoform TEST
`CH_3-undersetoverset(||)(O)(C)-Hoverset(I+2_NaOH)(to)UNDERSET("yellow PPT")underset("iodoform")(CHI_3darr)+HCOO^(-)NA^(+)`
`CH_3-undersetoverset(|)(OH)(CH)-Hoverset(I+2_NaOH)(to)underset("yellow ppt")underset("iodoform")(CHI_3darr)+HCOO^(-)Na^(+)`


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