IB acids

A BL acid will

• accept a proton

• donate a proton

• generate hydroxide ions

• not conduct electricity

What is the conjugate base of HSO4-

• SO42-

• H2SO4

• H2O

• HO4-

Which are acid/ base conjugate pairs

• H2O/OH-

• NH4+/NH3

• H2SO4/SO42-

• HCl/NaOH

If 20 cm samples of 0.1M solutions of the acids below are taken, which acid would require a different volume of 0.1M alkali to neutralise

• Hydrochloric acid

• Nitric acid

• Ethanoic acid

• Sulphuric acid

Which products would be formed when hydrochloric acid reacts with magnesium oxide?

• Water and Magnesium sulphate

• Water and Magnesium carbonate

• Hydrogen and Magnesium chloride

• Magnesium chloride and water

The pH of solution X is 1 and Y is 2. Which statement is correct about the hydrogen ion concentrations in the two solutions?

• X is half that in Y

• X is twice that in Y

• X is one tenth of that in Y

• X is 10x that in Y

100cm of a NaOH solution of pH12 is mixed with 900cm of water. What is the pH of the resulting solution?

• 1

• 3

• 11

• 13

Which list has only strong bases?

• ammonia, sodium hydroxide, ethylamine

• potassium hydroxide, ammonia, sodium hydroxide

• lithium hydroxide, barium hydroxide, potassium hydroxide

• ethylamine, ammonia, barium hydroxide