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Most dissolving processes are accompanie...

Most dissolving processes are accompanied by an overall increase in disorder. One of the few exceptions is the disolution of

A

NaI

B

NaCl

C

NaF

D

NaBr

Text Solution

Verified by Experts

The correct Answer is:
3

The water molecules become more order around the small `F^(-)` ions. This is due to the strong hydrogen bonding between `H_(2)O` molecules and `F^(-)` ions.

However, the amount of heat released on mixing outweights the disadvantage of this ordering.
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