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Atomic Structure — Medium JEE chemistry MCQ

The calculated spin only magnetic moments of $\left[\mathrm{Cr}\left(\mathrm{NH}_{3}\right)_{6}\right]^{3+}$ and $\left[\mathrm{CuF}_{6}\right]^{3-}$ in $\mathrm{BM}$, respectively, are (Atomic numbers of $\mathrm{Cr}$ and $\mathrm{Cu}$ are 24 and 29, respectively)
  1. A. 3.87 and 2.84
  2. B. 4.90 and 1.73
  3. C. 3.87 and 1.73
  4. D. 4.90 and 2.84

Solution

The correct option is **A**.

CHEMISTRY

medium • PYQ Reworded
Question
Read carefully, then pick the best option.
The calculated spin only magnetic moments of [Cr(NH3)6]3+\left[\mathrm{Cr}\left(\mathrm{NH}_{3}\right)_{6}\right]^{3+} and [CuF6]3−\left[\mathrm{CuF}_{6}\right]^{3-} in BM\mathrm{BM}, respectively, are (Atomic numbers of Cr\mathrm{Cr} and Cu\mathrm{Cu} are 24 and 29, respectively)
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Atomic Structure — Medium JEE Chemistry MCQ | MyGoalPrep