Explain transition elements and their compounds, Chemistry

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Explain the following observations:

(i)  Generally there is an increase in density of elements from titanium (Z = 22) to copper (z =29) in the first series of transition elements.

(ii)  Transition elements and their compounds  are generally found to be good catalysts in chemical reactions.

 


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Solution, How we get 49 gm = 1 eqv

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