Marking Scheme

4.15 g/cm3. No of unit cells ... 4Au(s) + 8CN (aq) + 2H2O(aq) + O2(g) → .... (a)CH3CHO (i)CH3MgBr, Dry ether(ii) 0/H CH CH(OH)CH2 CrO CH3COCH3. (b)...

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