g Which of the following solutes in aqueous solution would be expected to exhibit the smallest freezing-point lowering (assuming
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Explanation:
The reaction equation will be as follows.
Using bond energies, expression for calculating the value of is as follows.
On reactant side, from number of bonds are as follows.
C-C bonds = 1
C-H bonds = 6
From ; Cl-Cl bonds = 1
On product side, from number of bonds are as follows.
C-C bonds = 1
C-H bonds = 5
C-Cl bonds = 1
From HCl; H-Cl bonds = 1
Hence, using the bond energies we will calculate the enthalpy of reaction as follows.
= = -102 kJ/mol
Thus, we can conclude that change in enthalpy for the given reaction is -102 kJ/mol.