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Question: when nibr2 is allowed to react with ph2etp it is...

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#8) When NiBr2 is allowed to react with Ph2EtP, it is possible to isolate green crystals of [Ni(Ph2EtP2Br2, which have a magnetic moment of 3.20 B.M., and red crystals of [Ni(Ph2EtP)2Br2], which have a magnetic moment of zero. When either of these is dissolved in dichloromethane at 40°C, the resulting solution has a magnetic moment of 2.69 B.M. Suggest structures for the green and red crystals and offer an explanation for the solution magnetic moment.

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