Which of these substances as liquids has the highest viscosity? A. CH3NH2 B. Xe C. PCl5...
Which of these substances as liquids has the highest viscosity?
A. CH3NH2
B. Xe
C. PCl5
D. CH3CH3
E. TeCl2
Homework Answers
Solution-
Here Xe, PCl5 and CH3CH3 these all are nonpolar
substances.
In these type of molecules the only attractive forces between
molecules is London dispersion forces.
These will not greatly contribute greatly to the viscosity of the
liquid as these are weak.
Now as the TeCl2 exists as ions in the liquid state So therer's a lot's of ionic forces of attraction between + and -, and also a lot of repulsion.
The correct answer is Ch3NH2 here as the main contributor to its higher viscosity would be hydrogen bonding.
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