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Chemistry · 2021

JEE Main · 27 July 2021, Shift 2 · Q40

Given below are two statements: Statement I: [ Mn ( CN )_6]^3-,[ Fe ( CN )_6]^3- and [ Co ( C_2 O_4)_3]^3- are d^2 sp^3 hybridised. Statement II: […

Given below are two statements: Statement I : $\displaystyle \left[\mathrm{Mn}(\mathrm{CN})_6\right]^{3-},\left[\mathrm{Fe}(\mathrm{CN})_6\right]^{3-}$ and $\displaystyle \left[\mathrm{Co}\left(\mathrm{C}_2 \mathrm{O}_4\right)_3\right]^{3-}$ are $\displaystyle \mathrm{d}^2 \mathrm{sp}^3$ hybridised. Statement II : $\displaystyle \left[\mathrm{MnCl}_6\right]^{3-}$ and $\displaystyle \left[\mathrm{FeF}_6\right]^{3-}$ are paramagnetic and have $\displaystyle 4$ and $\displaystyle 5$ unpaired electrons, respectively.In the light of the above statements, choose the correct answer from the options given below:
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JEE Main 2021 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.