Which of the following is most likely to show optical isomerism [UPSEA

1.	Which of the following is most likely to show optical isomerism [UPSEAT 2004]
A.	\[HC\equiv C-\underset{Cl\,}{\overset{H\,}{\mathop{\underset{\|}{\overset{\|}{\mathop{C}}}\,-}}}\,C\equiv CH\]
B.	\[HC\equiv C-\underset{Cl}{\overset{H}{\mathop{\underset{\|}{\overset{\|}{\mathop{C}}}\,}}}\,-C{{H}_{3}}\]
C.	\[HC\equiv C-\underset{Cl}{\overset{H}{\mathop{\underset{\|}{\overset{\|}{\mathop{C}}}\,}}}\,-H\]
D.	\[HC\equiv C-\overset{Cl}{\mathop{\overset{\|}{\mathop{C}}\,}}\,=C{{H}_{2}}\]
Answer» C. \[HC\equiv C-\underset{Cl}{\overset{H}{\mathop{\underset{\|}{\overset{\|}{\mathop{C}}}\,}}}\,-H\]

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