The surface tension of which of the following | vedclass

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(A) Surface tension is primarily determined by the strength of intermolecular forces,specifically hydrogen bonding. Water $(H_2O)$ molecules exhibit s

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$H_2O$

Vedclass · Answer

(A) Surface tension is primarily determined by the strength of intermolecular forces,specifically hydrogen bonding. Water $(H_2O)$ molecules exhibit strong hydrogen bonding due to their high polarity and the presence of two hydrogen atoms capable of forming bonds with oxygen atoms of adjacent molecules. This extensive network of hydrogen bonds results in a higher cohesive force compared to organic solvents like benzene $(C_6H_6)$,methanol $(CH_3OH)$,or ethanol $(C_2H_5OH)$. Therefore,water has the maximum surface tension among the given options.

List-$I$	List-$II$
$1.$ Heavy water	$(a)$ Bicarbonates of $Ca$ and $Mg$ in water
$2.$ Temporary hard water	$(b)$ No foreign ions in water
$3.$ Soft water	$(c)$ $D_2O$
$4.$ Permanent hard water	$(d)$ Sulphates and chlorides of $Ca$ and $Mg$ in water

The surface tension of which of the following liquids is maximum?

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