PH Values of Acids and Bases

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PH Values of Acids and Bases

Question

The table below shows solutions A, B and C are tested and observations records as shown

Chemistry Question

(a) Using the table above, name an acid
(b) How does the pH value of 1M potassium hydroxide solution compare with that of 1M aqueous ammonia? Explain

Answer

a) B
b) PH of potassium hydroxide is higher than that of aqueous ammonia. KOH ions are dissociated more than that of aqueous NH₃

Related Questions

Q. The information below gives PH values of solutions V, W, X, Y Z. Which solution is likely to be: Calcium hydroxide? Rain water? Which solution would react most vigorously with Zinc carbonate? Q. Below are the pH values of 4 types of medicine represented by letters P, Q, R and S. It is not advisable to use S when a patient has indigestion. Explain. What is the role of chemistry in drug manufacture? Q. The following data gives the pH values of some solutions. What colour change would occur in solution P on addition of two drops of phenolphthalein indicator? State the pH value of a resulting solution when equal moles of solution P and R react. Q. The table below shows PH values of solutions A, B, C and D. Which solution produces bubbles with zinc metal. Explain. Select any pair that would react to form a solution of PH = 7. Q. When the chlorides of Aluminium and silicon are dissolved in water, the resulting solution has a Ph of 3.0. Explain Q. In an experiment a test tube full of chlorine water was inverted in chlorine water as shown in the diagram below and then the set up left in the sunlight for one day. After one day, a gas was found to have collected in the test tube. Identify the gas. What will happen to the pH of the solution in the beaker after one day? Give a reason. Q. The table below shows PH values of solutions A, B, C and D. Which solution produces bubbles with zinc metal. Explain. Select any pair that would react to form a solution of PH = 7. Q. The following data gives the PH values of solutions P, Q and R. Which solution will produce carbon IV oxide when reacted with marble chips? Which solution would be a suitable anti-acid?

Related Topics

Introduction to Chemistry Simple Classification of Substances Acids, Bases and Indicators Air Oxygen and Combustion Chemical Properties of Oxygen Water and Hydrogen - Water Water and Hydrogen - Hydrogen Water and Hydrogen - Reactions of water with Metals