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Acetic acid in benzene exhibits a molar mass of 80 g/mol. Its degree of dimerisation is |
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Answer» Acetic acid undergoes dimerisation, when DISSOLVED in benzene. Molecular mass of acetic acid is found 120. The correct relation is α=2( dd−D )where d= Observed VAPOUR density D= Theoretical vapour density α= degree of ASSOCIATION n= NUMBER of molecules that undergo association.For association of molecule,α= d(1− n1 )d−D SUBSTITUTE n=2,α= d(1− 21 )d−D α= d( 21 )d−D α=2( dd−D )Hence, option (C) is the correct answer. |
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