MCQ
Identify the diamagnetic octahedral complex ions from below ;
A. $\left[\mathrm{Mn}(\mathrm{CN})_{6}\right]^{3-}$$\quad$B. $\left[\mathrm{Co}\left(\mathrm{NH}_{3}\right)_{6}\right]^{3+}$
C. $\left[\mathrm{Fe}(\mathrm{CN})_{6}\right]^{4-}$$\quad$D. $\left[\mathrm{Co}\left(\mathrm{H}_{2} \mathrm{O}\right)_{3} \mathrm{~F}_{3}\right]$
Choose the correct answer from the options given below :
  • A
    B and D Only
  • B
    A and D Only
  • C
    A and C Only
  • D
    B and C Only

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