Credit will be given for strict adherence to the instructions. For observations precisely recorded and for accurate inference. All tests, observations and inferences must be clearly entered in your answer book, in ink, at the time they are made.
F is a solution of a simple salt.
Carry out the following exercises on F. Record your observations and identify any gas(es) evolved. State conclusion you draw from the result of each test.
Divide the solution into four portions.
(a) To the first portion add NaOH(aq) in drops and then in excess.
(b) To the second portion add NH3 in drops and then in excess.
(c) To the third portion add dilute HCI.
(d) To the fourth portion add BaCl2(aq) followed by dilute HCI in excess. [15 marks]
