Discuss the values of pH given for the .25 M solutions below. Relate the trends to...

Question

Question

Discuss the values of pH given for the .25 M solutions below. Relate the trends to the formulas for the compounds given.

Solutions pH

KBrO 11

NaClO 10.4

KClO2 7.7

NaNO2 8.4

Ca(NO2)2 8.6

Answer 1

Answer #1

As all are salts of weak acid +strong base.so pH of all solution is greater than 7.

Now as we know , the acidic strength of weak acids

HBrO < HClO<HNO2< HClO2

So pH of KBrO is highest and KClO2 is smallest

Answer 2

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