Explain the following observations giving an appropriate reason for ea – InterviewSolution

1.	Explain the following observations giving an appropriate reason for each :There occurs much more frequent metal-metal bonding in compounds of heavy transition metals (i.e.,3rd series).
Answer» 4d and 5d transition elements (2nd and 3rd series) are Iarger in size than the corresponding 3d elements. Hence the valence electrons are less tightly held and form M-M bond more frequently.

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