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Resonance Effect

Which will be...

Question

Which will be the least stable resonating structure?

C H_{2} = C H - \oplus C H - ⊝ C H - O - C H_{3}

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Θ C H_{2} - \oplus C H - C H = C H - O C H_{3}

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Θ C H_{2} - C H = C H - C H = \oplus O - C H_{3}

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C H_{2} = C H - ⊝ C H - C H = \oplus O - C H_{3}

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Solution

The correct option is C $Θ C H_{2} - C H = C H - C H = \oplus O - C H_{3}$
$Θ C H_{2} - C H = C H - C H = \oplus O - C H_{3}$ will be most unstable as:
i) It has maximum charge separation.
ii) positive charge on $O$ in unstable.

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Similar questions

I . ⊖ C H_{2} - \oplus C H - C H = C H - O - C H_{3}

I I . ⊖ C H_{2} - C H = C H - \oplus C H - O - C H_{3}

I I I . C H_{2} = C H - ⊖ C H - \oplus C H - O - C H_{3}

I V . C H_{2} = C H - ⊖ C H - C H = \oplus O - C H_{3}

C H_{2} = C H - C H = C H - O - C H_{3}

A g N O_{3}

C H_{2} = C H - . . N H - C H_{3}

C H_{2} = C H - . . O . . - C H_{3}

C H_{2} = C H - . . O . . - C H = C H_{2}

C H_{2} = C H - N H_{2}

C H_{3} - C H = C H - C H_{2} - O | | C - C H_{3} \to C H_{3} - C H = C H - C H_{2} - O | | C - O H

A . C H_{3} - C H = C H_{2} + H C l ⟶ C H_{3} - C | C l H - C H_{3}

B . C H_{3} - C H = C H_{2} + H B r ⟶ C H_{3} - C H_{2} - C H_{2} B r

C . C H_{3} - C H = C H_{2} + H B r p e r o x i d e - ---- \to C H_{3} - C H_{2} - C H_{2} - B r

D . C H_{3} - C H = C H_{2} + H I p e r o x i d e - ---- \to C H_{3} - C | I H - C H_{3}

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