Question

Which of the following statements is not true?

• A. $\left[MnCl_{4}\right]^{2-}$ ion has tetrahedral geometry and is paramagnetic.
• B. $\left[Mn\left(CN\right)_{6}\right]^{2-}$ ion has octahedral geometry and is paramagnetic.
• C. $\left[Cu\left(CN\right)_{4}\right]^{3-}$ has square planar geometry and is diamagnetic.
• D. $\left[Ni\left(Ph_{3}P\right)_{2}Br_{3}\right]$ has trigonal bipyramidal geometry and is paramagnetic.

Answer 1

Answer: (C)

Correct answer is (c) $\left[Cu\left(CN\right)_{4}\right]^{3-}$ has square planar geometry and is diamagnetic.