×N Blackboard i Northeastern Stax», 1ml Course Content XG what t intermolecular
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×N Blackboard i Northeastern Stax», 1ml Course Content XG what t intermolecular forces do X bb.nsuok.edu/ultra/courses/.22090 1/cVoutline?legacyUrl.%252Fwebapps%252Fblackboard%252Fcontent%252Flau OnLine EF Ea SBS Desmos Graphing X Business Bundle of FM0001.PDF The Case for s Question Completion Status: 0 lon-Dipole Dipole-Dipole QUESTION 6 Put the following compounds in order of increasing surface tension: water. n-pentane 1t-butanol 2 butanone, ethylene gycol water , # 1-butanol 2-butanone ethylene glycol n-pentane # n 782 ercm3 and 0:0221 J/m2, respectively. The capilary rise of methanol ind orie with your units end make the ap QUESTION 7Explanation / Answer
According to the molecular interpretation of surface tension, the molecule at the surface will have a net force acting downward (towards the bulk).Higher the polarity of the molecule, stronger will be the interaction and consequently surface tension will also be very high since the force acting downward will aslo be very high.
The increasing order of polarity of the given liquids is-
water > ethylene glycol > 1-butanol > 2-butanone > n-pentane
Therefore increasing order of surface tension is-
water > ethylene glycol > 1-butanol > 2-butanone > n-pentane
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