Calcium hypochlorite in aqueous solutions produces an alkaline solution, therefore, the pH of an aqueous solution of 0.06 M calcium hypochlorite is 13.08.
An aqueous solution of calcium hypochlorite is alkaline in nature.
Calcium hypochlorite acts as a strong base since it readily accepts H+.
In aqueous solution, the hypochlorite anion accepts a proton from water liberating a hydroxide ion.
The net ionization equation is give below:
2 moles of hydroxide ions are produced by 1 mole calcium hypochlorite.
0.06 M calcium hypochlorite will produce 0.06 × 2 OH- ions.
[OH-] = 0.12 M
pOH = - log (0.12)
pOH = 0.92
The relationship between pH and pOH is as follows:
Thus;
pH = 14 - 0.92
pH = 13.08
Therefore, the pH of an aqueous solution of 0.06 M calcium hypochlorite is 13.08.
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