ULTRASONIC STUDIES OF BINARY-MIXTURES OF TETRACHLOROETHYLENE WITH BRANCHED ALCOHOLS AT 303.15 K

Ultrasonic sound velocities for the binary liquid mixtures of tetrachl oroethylene with branched alcohols are measured at 303.15 K. The branc hed alcohols include 2-propanol, 2-methyl-1-propanol, 3-methyl-1-butna ol, 2-butanol and 2-methyl-2-propanol. Further, isentropic compressibi lities (K-s) and deviation in isentropic compressibilities (Delta K-s) have been computed from the sound velocity and density data. An inver sion in the sign of Delta K-s from negative to positive was observed i n all the binary mixtures formed by tetrachloroethylene with branched alcohols at 303.15 K. The ultrasonic sound velocities of these mixture s have been analyzed in terms of Free length theory (FLT). Collision F actor theory (CFT) and Nomoto relation.