Questions  

The increasing order of viscosity of the following compounds is given as  hexane <H2O< glycerol 

which of the following is the correct reason?

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By Expert Faculty of Sri Chaitanya
a
Hexane has strongest intermolecular forces
b
H2O has strongest intermolecular forces
c
Glycerol has strongest intermolecular forces
d
weaker the intermolecular forces, greater is the viscosity
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detailed solution

Correct option is C

As stronger the inter molecular forces, greater will be the viscosity. Glycerol has strongest intermolecular force due to hydrogen bonding (three H-bond per molecule). Hence, the correct order is hexane < H2O < glycerol.

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