Chemistry
Choose the substances given below to answer the following questions.
Ferrous chloride
Iron (II) sulphate
Iron (II) chloride
Copper chloride
Aluminium oxide
Copper (II) oxide
(a) A chloride which forms a precipitate that is soluble in excess of ammonium hydroxide.
(b) The salt which gives a dirty green precipitate with sodium hydroxide solution.
(c) The metal oxide which can react with acid as well as alkali.
Related Questions
Draw the electron dot structure for the following.
(a) NaCl
(b) MgCl2
An element X has atomic number 35. Answer the following questions.
(a) State the period and group to which it belongs.
(b) It is a metal or non-metal?
(c) Write a formula between X and hydrogen.
Identify the acid and write the balanced equation for the following.
The acid on mixing with silver nitrate solution produces a white precipitate which is soluble in excess ammonium hydroxide and nitric acid.
Name a probable cation present based on the following observation.
(a) White precipitate insoluble in NH4OH but soluble in NaOH.
(b) NaOH solution when added to the solution (A) gives a reddish brown precipitate.