Explore Westonci.ca, the top Q&A platform where your questions are answered by professionals and enthusiasts alike. Discover the answers you need from a community of experts ready to help you with their knowledge and experience in various fields. Explore comprehensive solutions to your questions from a wide range of professionals on our user-friendly platform.

Which of the following salts form coloured solutions when dissolved in water?
I. ScCL3
II. FeCl3
III. NiCl2
IV. ZnCl2
A. I and II only
B. II and III only
C. III and IV only
D. I, II, III and IV