d- and f-Block Elements · JEE Advanced previous year questions

2025 2 questions

1. Q352025 · 18 May 2025 · Paper 1

   One of the products formed from the reaction of permanganate ion with iodide ion in neutral aqueous medium is

   1. A.${\mathrm{I}}_2$
   2. B.$\mathrm{I}{\mathrm{O}}_3^{-}$
   3. C.$\mathrm{I}{\mathrm{O}}_4^{-}$
   4. D.$\mathrm{I}{\mathrm{O}}_2^{-}$
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   Answer: B

2. Q472025 · 18 May 2025 · Paper 2· Numerical answer

   The sum of the spin only magnetic moment values (in B.M.) of $[\mathrm{Mn}(\mathrm{Br}{)}_6{]}^{3-}$ and $[\mathrm{Mn}(\mathrm{CN}{)}_6{]}^{3-}$ is _________.

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   Answer: 7.5 to 7.8