Which of the following has tetrahedral structure [CPMT 2000]

1.	Which of the following has tetrahedral structure [CPMT 2000]
A.	\[CO_{3}^{-}\]
B.	\[NH_{4}^{+}\]
C.	\[{{K}_{4}}[Fe{{(CN)}_{6}}]\]
D.	None of these
Answer» C. \[{{K}_{4}}[Fe{{(CN)}_{6}}]\]

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Which of the following has tetrahedral structure [CPMT 2000]

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