Which will give chiral molecule [DPMT 2005]

1.	Which will give chiral molecule [DPMT 2005]
A.	\[C{{H}_{3}}COCl\xrightarrow{LiAl{{H}_{4}}}\]
B.	\[{{C}_{2}}{{H}_{5}}CHO\underset{{{H}^{+}}/{{H}_{2}}O}{\mathop{\xrightarrow{C{{H}_{3}}MgBr}}}\,\]
C.	\[{{(C{{H}_{3}})}_{2}}CH{{C}_{2}}{{H}_{5}}\xrightarrow{Cu}\]
D.	\[\begin{matrix} H \\ {} \\ C{{H}_{3}} \\ \end{matrix}\,\,\,\,\,\,C=C\,\,\,\,\,\,\,\,\begin{matrix} C{{H}_{3}} \\ {} \\ C{{H}_{3}} \\ \end{matrix}\xrightarrow{C{{l}_{2}}}\]
Answer» C. \[{{(C{{H}_{3}})}_{2}}CH{{C}_{2}}{{H}_{5}}\xrightarrow{Cu}\]

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Which will give chiral molecule [DPMT 2005]

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