A) \[\overset{\delta +}{\mathop{C}}\,{{H}_{2}}=CH-CH=\overset{\delta -}{\mathop{O}}\,\]
B) \[\overset{\delta +}{\mathop{C}}\,{{H}_{2}}=\overset{\delta +}{\mathop{CH}}\,-CH=\overset{{}}{\mathop{O}}\,\]
C) \[\overset{\delta +}{\mathop{C}}\,{{H}_{2}}=\overset{{}}{\mathop{CH}}\,-CH=\overset{\delta +}{\mathop{O}}\,\]
D) \[\overset{\delta +}{\mathop{C}}\,{{H}_{2}}=\overset{{}}{\mathop{CH}}\,-\overset{\delta +\,\,}{\mathop{CH}}\,=\overset{{}}{\mathop{O}}\,\]
Correct Answer: A
Solution :
In \[C{{H}_{2}}=CH-CHO\]due to ?M effect of -CHO group polarization of electron takes place as follows Hence, partial polarization is represented as \[\overset{\delta +}{\mathop{C{{H}_{2}}}}\,=CH-CH=\overset{\delta -}{\mathop{O}}\,\]You need to login to perform this action.
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