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There are four amides with the formula C...

There are four amides with the formula `C_(3) H_(7) NO`.
Write their structures.
Identify the amide which has lower melting point and boiling point than the other three.

Text Solution

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a.
b. The compound `(I)` has the lowest boiling point and melting point becase it does not have an `H` atom covalently bonded ot an `N` atom and, therefore, it cannot from `H`-bond with each other. On the other hand, the compounds `(ii), (iii)`, and `(IV)` have `H` atoms covalently bonded to `N` atom and, therefore, form, `H`- bonding
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