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Questions related from Manohar Sehgal
(a) NQR is observed in the radio frequency region.(b) The selection rule for NQR is ∆ mI =±1[ I, the nuclear spin, is subscript;].(c) NQR energy levels are doubly degenerate
12 December 2014 2,158 0 View
Excepting a few, octahedral Mn(II) complexes are less intensely colored than those of Fe(III) complexes, although the metal ions have the same outermost configuration(3 d^5) and the complexes are...
12 December 2014 6,564 0 View
Although both Ce^3[ 4 f^1] and Yb^3[4 f^13] possess only one unpaired electron, yet their magnetic moments differ largely. Please suggest a suitable relation to calculate their magnetic...
12 December 2014 2,642 2 View
Square planar Pt(NH3)2(NO3)2 exists both in the Cis and Trans forms. Will the two isomers give same or different products with oxalic acid ? Please write equation/s in your answers. Thank you.
12 December 2014 2,368 2 View
In the absence of magnetic field, all the four MI components: ±3/2,±1/2 of Cu [I=3/2] are degenerate . But they lose their degeneracy in NMR. Write these components in the increasing order of...
12 December 2014 4,672 0 View
Although the d-d transitions in octahedral complexes neither obey the Spin rule nor the Symmetry rule, yet they are generally observed in the electronic spectra. Pls. cite at least three reasons...
12 December 2014 9,414 1 View
“19^F- NMR of SF4 gives two triplets [1:2:1] in cryoscopic conditions but it gives only one broad peak on heating”, explain the difference.[ I for 19^F=1/2]
12 December 2014 6,784 8 View
