1.

Which of the acids cannot be prepared by Grignard reagent ?

Answer»

ACETIC acid
succine acid
Formic acid
All of these

Solution : Carboxylic ACIDS are prepared by reaction of Grignard reagent with `CO_(2)`
`:.` Formic acid (HCOOH) has only one carbon atom.
`:.` Formic acid cannot be prepared from Grignard reagent
`underset("Grignard reagent")(RMGX)+CO_(2) to R- overset(O) overset(|)C-OMg overset(HOH) to underset("Acid")(RCOOH)`


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