Which of the following does not have a metal carbon bond [CBSE PMT 200

1.	Which of the following does not have a metal carbon bond [CBSE PMT 2004]
A.	\[K[Pt({{C}_{2}}{{H}_{4}})C{{l}_{3}}]\]
B.	\[Ni{{(CO)}_{4}}\]
C.	\[Al{{(O{{C}_{2}}{{H}_{5}})}_{3}}\]
D.	\[{{C}_{2}}{{H}_{5}}MgBr\]
Answer» D. \[{{C}_{2}}{{H}_{5}}MgBr\]

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