JEE Mains · Chemistry · STD 12 - 5. Co-ordination chemistry
Given below are two statements: Statement \(I:\) \(\left[\mathrm{Mn}(\mathrm{CN})_{6}\right]^{3-},\left[\mathrm{Fe}(\mathrm{CN})_{6}\right]^{3-}\) and \(\left[\mathrm{Co}\left(\mathrm{C}_{2} \mathrm{O}_{4}\right)_{3}\right]^{3-}\) are \(d^{2} \mathrm{sp}^{3}\) hybridised. Statement \(II:\) \(\left[\mathrm{MnCl}_{6}\right]^{3-}\) and \(\left[\mathrm{FeF}_{6}\right]^{3-}\) are paramagnetic and have \(4\) and \(5\) unpaired electrons, respectively. In the light of the above statements, choose the coorrect answer from the options given below :
- A Both statement \(I\) and statement \(II\) are false
- B Statement \(I\) is incorrect but statement \(II\) is true
- C Statement \(I\) is correct but statement \(II\) is false
- D Both statement \(I\) and statement \(II\) are true
Answer & Solution
Correct Answer
(D) Both statement \(I\) and statement \(II\) are true
Step-by-step Solution
Detailed explanation
\(\left[\begin{array}{cc}{\left[\mathrm{Mn}(\mathrm{CN})_{6}\right]^{3-}} \quad {\left[\mathrm{Fe}(\mathrm{CN})_{6}\right.}\end{array}\right]^{3-} \quad\left[\mathrm{Co}\left(\mathrm{C}_{2} \mathrm{O}_{4}\right)_{3}\right]^{3-}\) \(\quad\quad\downarrow\)…
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