Acetic acid exists as 'X' in vapour state and 'Y' in the liquid state. 'X' and 'Y' are
Options:
A .  
Dimer, Polymer
B .  
Trimer, Polymer
C .  
Hexamer, Polymer
D .  
Trimer, Dimer
Answer: Option A : A
In vapour 2 molecules are found together due to inter molecular hydrogen bond & in liquid many molecules are found together due to inter molecular hydrogen bond
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