A) \[Cl-C{{H}_{2}}-C{{H}_{2}}-C{{H}_{2}}-C{{H}_{2}}-C{{H}_{3}}\]
B) \[C{{H}_{3}}-C{{H}_{2}}-\underset{\begin{smallmatrix} | \\ Cl \end{smallmatrix}}{\mathop{C}}\,H-C{{H}_{2}}-C{{H}_{3}}\]
C) \[Cl-CH=CH-C{{H}_{2}}-C{{H}_{2}}-C{{H}_{3}}\]
D) \[H-\underset{\begin{smallmatrix} | \\ Cl \end{smallmatrix}}{\mathop{C}}\,=C=CH-C{{H}_{2}}-C{{H}_{3}}\]
Correct Answer: D
Solution :
A molecule is said to be chiral or asymmetric, if it does not possess any element of symmetry and not superimposable on its mirror image and this property of die molecule to show non-superimposability is called chirality. [a] \[ClC{{H}_{2}}C{{H}_{2}}C{{H}_{2}}C{{H}_{2}}C{{H}_{3}}\] achiral molecule, absence of asymmetrical carbon atom. [b] \[C{{H}_{3}}-C{{H}_{2}}-\underset{\begin{smallmatrix} | \\ Cl \end{smallmatrix}}{\mathop{C}}\,H-CH-C{{H}_{3}}\] achiral molecule, absence of assymmetrical carbon atom. [c] \[\underset{achiral\text{ }molecule}{\mathop{Cl-CH=CH-C{{H}_{2}}-C{{H}_{2}}-C{{H}_{3}}}}\,\] [d]You need to login to perform this action.
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