Question

Write the formulae of the following compounds-
(a) Sodium hexanitro-N-cobaltate (III).
(b) Tetraaquodichlorochromium (III) chloride.
(c) Potassium tetracyanoaurate (III) ion.​

Answer 1

Answer:

wait..............................

i tell you in some time

Answer 2

Answer:

a) Na3[Co(NO2)6]

b) [Cr (H20)4Cl2]Cl

c) K4[Au(CN)4]