“…The variation in the interaction may be due to the effect of the varying position of the two methyl groups on the aromatic ring. For the binary systems of different alkanols with xylenes, a similar explanation for the volumetric properties was suggested by Yadav et al, Letcher et al, Rodriguez-Nuñez et al, , Sreenvasulu and Naidu, Singh et al, Saleh et al, and so forth.…”