Question

Generally, transition elements form colored salt due to the presence of unpaired electrons. Which of the following compounds will be colored in its solid state?

• A. $A{g}_{2}S{O}_4$
• B. $Cu{F}_2$
• C. $Zn{F}_2$
• D. $C{u}_{2}C{l}_2$

Answer 1

The correct option is B $Cu{F}_2$

Copper(II) fluoride is an inorganic compound, with the chemical formula of $Cu{F}_2$ it is a hygroscopic solid of green color. It has a monoclinic crystal structure. Silver sulfate is white silvery substance, zinc fluoride is also a white crystalline solid which is sparingly soluble in water.