Which of the following solution do not conduct electricity?
Which of the following reactions will not occur ? Why not ?
(a) Zinc sulphate(solution)+Copper→Copper sulphate(solution)+Zinc(b) Copper sulphate(solution)+Iron→ Iron sulphate(solution)+Copper
(a) Explain why ionic compounds conduct electricity in solution whereas covalent compounds do not conduct electricity. (b) Which of the following will conduct electricity and which not? MgCl2,CCl4,NaCl,CS2,Na2S Give reasons for your choice.
You are given a solution of iron sulphate. Which of the following do you think cannot displace iron from iron sulphate ?
(a) magnesium
(b) calcium
(c) copper
(d) zinc