Question 1
Which one of the following salts will form an
acidic solution on dissolving in water?
◦ LiBr
◦ NaF
◦ KOH
◦ FeCl
3◦ NaCN
Question 2
Which one of the following statements is
true for a 0.1 M solution of a weak acid HA?
◦ The concentration of H
+ is slightly greater than the concentration of A
–.
◦ The pH equals 1.0.
◦ The concentration of H
+ is exactly equal to the concentration of A
–.
◦ The pH is less than 1.0.
◦ The concentration of H
+ is slightly less than the concentration of A
–.