Which one is least basic [JIPMER 2000]

1.	Which one is least basic [JIPMER 2000]
A.	\[B{{I}_{3}}\]
B.	\[BB{{r}_{3}}\]
C.	\[BC{{l}_{3}}\]
D.	\[B{{F}_{3}}\]
Answer» E.

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Which one is least basic [JIPMER 2000]

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