In which of the following compounds interamolecular hydrogen bonding is possible: (i) CH_(3)COOH (ii) CH_(3)COOH =C(OH)CH_(3). (iii) CH_(3)CONH_(2), (iv) HOCH_(2)CH_(2)OH, (v) PbCOC(OH)_(2)COPh (vi) (CH_(3))_(2)NH

In which of the following compounds interamolecular hydrogen bonding i

1.	In which of the following compounds interamolecular hydrogen bonding is possible: (i) CH_(3)COOH (ii) CH_(3)COOH =C(OH)CH_(3). (iii) CH_(3)CONH_(2), (iv) HOCH_(2)CH_(2)OH, (v) PbCOC(OH)_(2)COPh (vi) (CH_(3))_(2)NH
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