Given below are two statements: Statement I: $\mathrm{Cr}^{2+}$ is oxidising and $\mathrm{Mn}^{3+}$ is…

Given below are two statements: Statement I: $\mathrm{Cr}^{2+}$ is oxidising and $\mathrm{Mn}^{3+}$ is reducing in nature. Statement II: $\mathrm{Sc}^{3+}$ compounds are repelled by the applied magnetic field. In the light of the above statements, choose the most appropriate answer from the options given below:
  1. Both Statement I and Statement II are correct
  2. Both Statement I and Statement II are incorrect
  3. Statement I is correct but Statement II is incorrect
  4. Statement I is incorrect but Statement II is correct

Solution


Half filled $d$-orbital (more stable) Therefore, $\mathrm{Mn}^{3+}$ acts as an oxidising agent. $\mathrm{Sc}^{3+}$ - [Ar] All elements are paired making it diamagnetic. Hence $\mathrm{Sc}^{3+}$ compounds are repelled when placed in an external magnetic field.

Asked in: NEET 2022 (Phase 2)

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