Which compound does not possess linear geometry [RPET 1999]

1.	Which compound does not possess linear geometry [RPET 1999]
A.	\[C{{H}_{2}}=C{{H}_{2}}\]
B.	\[HC\equiv CH\]
C.	\[BeC{{l}_{2}}\]
D.	\[C{{O}_{2}}\]
Answer» B. \[HC\equiv CH\]

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Which compound does not possess linear geometry [RPET 1999]

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