Polarisation of electrons in acrolein may be written as :
A
−δCH2=CH−+δC=O
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B
−δCH2=CH−CH=+δO
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C
−δCH2=+δCH−CH=O
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D
+δCH2=CH−CH=−δO
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Solution
The correct option is D+δCH2=CH−CH=−δO Polarisation of electrons in acrolein may be written as +δCH2=CH−CH=−δO. O atom is more EN than C atom, so it acquires (−δ) charge and C atom acquires (+δ) charge which is transferred to the last C atom.