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ChemistryMediumMCQ2007 ยท Unknown

Q48.Which of the following species exhibits the diamagnetic behaviour? (1) O2โˆ’2 (2) O+2 (3) O2 (4) NO

What This Question Tests

This question requires applying Molecular Orbital Theory to determine the presence of unpaired electrons in various species to identify diamagnetic behavior.

Concepts Tested

Molecular orbital configurationMagnetic properties (paramagnetism/diamagnetism)

๐Ÿ“š NCERT Sections This Tests

5.16 โ€” Draw Figure To Show The Splitting Of D Orbitals In An Octahedral Crystal Field.

Chemistry Class 11 ยท Chapter 5

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5.16 Draw figure to show the splitting of d orbitals in an octahedral crystal field.

5.15 โ€” Discuss The Nature Of Bonding In The Following Coordination Entities On The

Chemistry Class 11 ยท Chapter 5

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5.15 Discuss the nature of bonding in the following coordination entities on the basis of valence bond theory: (i) [Fe(CN)6] 4โ€“ (ii) [FeF6] 3โ€“ (iii) [Co(C2O4)3]3โ€“ (iv) [CoF6] 3โ€“

5.19 โ€” [Cr(Nh3)6] 3+ Is Paramagnetic While [Ni(Cn)4] 2โ€“ Is Diamagnetic. Explain Why?

Chemistry Class 11 ยท Chapter 5

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5.19 [Cr(NH3)6] 3+ is paramagnetic while [Ni(CN)4] 2โ€“ is diamagnetic. Explain why? 5.20 A solution of [Ni(H2O)6] 2+ is green but a solution of [Ni(CN)4] 2โ€“ is colourless. Explain. 5.21 [Fe(CN)6] 4โ€“ and [Fe(H2O)6] 2+ are of different colours in dilute solutions. Why?