

MCQOPTIONS
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1. |
Select the complex in which secondary valency is satisfied before the primary valency. |
A. | RMgX |
B. | \[[Cr{{\left( N{{H}_{3}} \right)}_{6}}]C{{l}_{2}}\] |
C. | \[{{K}_{4}}[Fe{{(CN)}_{6}}]\] |
D. | \[[Ni{{\left( CO \right)}_{4}}]\] |
Answer» E. | |