Question

Transition elements form binary compounds with halogens. Which of the following elements will form $MF_{3}$ type compounds?

• A. Cr
• B. Cu
• C. Ni
• D. All of these

Answer 1

Answer: (A)

Cr

Answer 2

Cr forms$CrF_{3}$. Cu and Ni do not form $CuF_{3}$ and $NiF_{3}$