Answers to SAQs
Chapter 1
SAQ 1.1
There are C4 and C2 axes which are coincident and pass through the centre of the ring, perpendicular to the ring plane. Additional C2 axes are indicated in the figure. The principal axis is C4, the axis with highest n.
SAQ 1.2
σh contains molybdenum and the four CO groups; there are two σv planes which contain Mo and pairs of CO groups mutually trans to each other, and there are two σd which contain molybdenum and bisect the angles C-Mo-C.
SAQ 1.3
In all questions of this type, it is imperative to first determine the correct molecular shape, using VSEPR if the compound has one of the s- or ...
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