1.

Arrange the following resonating structures of formic acid in order of decreasing stability: underset((I))(H-overset(O)overset(||)(C)-OH)harrunderset((II))(H-overset(O^(-))overset(||)(C)-overset(+)(O)H)harr underset((III))(Hoverset(O^(-))overset(|)underset(+)(C)-OH)harrunderset((IV))(H-overset(O^(-))overset(|)underset(-)(C)-O)

Answer»

`II GT I gt III gt IV`
`I gt III gt II gt IV`
`III gt II gt IV gt I`
`IV gt III gt I gt II`

ANSWER :B


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