Q—Na3[Cr(C2O4)3] में Cr के उपसहसंयोजक की संख्या है
A. 3
B. 4
C. 5
D. 6
Answer-: D
6 होगा क्योंकि C2O4 द्विदंतुर लिगेंड है अतः 2×3 = 6
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