a. CrS
Cr usually has +2 and +3 (although others are known and fairly common as +6) so CrS is chromous sulfide and part b is chromic oxide.
b. Cr2O3
c. CrI3 X 6H20
This one is chromic iodide hexahydrate.
d. CuCl
e. CuI2
f. CuBr2 x 4H20
Cu usually is +1 or +2 so d is cuprous chloride and e is cupric iodide with f as cupric bromide tetrahydrate
g. HgCl2
h. Hg2Cl2
Hg is +1 or +2 so g is mercuric chloride while h is mercurous chloride
i. Fe (OH)3 This is ferric hydroxide
You can tell the valence of the metal by looking at the anion. For example, FeCl2 and FeCl3 and you know Fe is +2 in the first and +3 in the second. Hg2Cl2. You know Cl is -1 so two of them are -2 which makes Hg2 +2 or +1 for each Hg.
Hello! I really need help with this.
Name the following salts according to the old -ic, -ous system and the stock system.
a. CrS
b. Cr2O3
c. CrI3 X 6H20
d. CuCl
e. CuI2
f. CuBr2 x 4H20
g. HgCl2
h. Hg2Cl2
i. Fe (OH)3
I am totally lost. I don't know how to name these. I have so many more I need to name, and showing me how to do these would help me so so much!
2 answers
How did you come to solving it?