Among the options given below, AlCl3 would lower the freezing point of water the most. Thus, the correct option is A.
What is the freezing point of the water?
The freezing point of the water may be defined as the temperature at which the liquid form of water starts converting it into a solid form. The freezing point of the water is usually thought to be 0°C.
According to the principle of chemistry, the more number of ions, the lower their freezing point.
For example, AlCl3 on dissociation significantly synthesized [tex]Al^+[/tex] and [tex]Cl_3^-[/tex]. So, the total number of ions is equal to 4. While NaCl and NaOH have only two ions. Sugar compounds do not dissociate into any ions.
Therefore, among the options given below, AlCl3 would lower the freezing point of water the most. Thus, the correct option is A.
To learn more about Freezing points, refer to the link:
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