Which is the correct structure of the compound 3-hexyn-1-oic acid

1.	Which is the correct structure of the compound 3-hexyn-1-oic acid
A.	\[C{{H}_{3}}-C{{H}_{2}}-C{{H}_{2}}-C\equiv C-COOH\]
B.	\[C{{H}_{3}}-C{{H}_{2}}-C\equiv C-C{{H}_{2}}-COOH\]
C.	\[C{{H}_{3}}-C\equiv C-C{{H}_{2}}-C{{H}_{2}}-COOH\]
D.	\[C{{H}_{3}}-C{{H}_{2}}-CH=CH-C{{H}_{2}}-COOH\]
Answer» C. \[C{{H}_{3}}-C\equiv C-C{{H}_{2}}-C{{H}_{2}}-COOH\]

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Which is the correct structure of the compound 3-hexyn-1-oic acid

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