Medium
Which of the following represents the polarization of electrons in acrolein?
- A$\mathop C\limits^{\delta + } {H_2} = \mathop C\limits^{\delta + } H - CH = O$
- B$\mathop C\limits^{\delta + } {H_2} = CH - CH = \mathop O\limits^{\delta - } $
- C$\mathop C\limits^{\delta - } {H_2} = CH - \mathop C\limits^{\delta - } H = O$
- D$\mathop C\limits^{\delta - } {H_2} = CH - CH = \mathop O\limits^{\delta + } $
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Similar Questions
Match List-$I$ with List-$II$:
| List-$I$ (Mechanism steps) | List-$II$ (Effect) |
| :--- | :--- |
| $(A)$ Aniline resonance structure | $(I)$ $-E$ effect |
| $(B)$ Electrophilic addition of $H^+$ to alkene | $(II)$ $-R$ effect |
| $(C)$ Nucleophilic addition of $CN^-$ to alkene | $(III)$ $+E$ effect |
| $(D)$ Nitrobenzene resonance structure | $(IV)$ $+R$ effect |
Choose the correct answer from the options given below:
| List-$I$ (Mechanism steps) | List-$II$ (Effect) |
| :--- | :--- |
| $(A)$ Aniline resonance structure | $(I)$ $-E$ effect |
| $(B)$ Electrophilic addition of $H^+$ to alkene | $(II)$ $-R$ effect |
| $(C)$ Nucleophilic addition of $CN^-$ to alkene | $(III)$ $+E$ effect |
| $(D)$ Nitrobenzene resonance structure | $(IV)$ $+R$ effect |
Choose the correct answer from the options given below:
Identify the species from the following that exhibits no-bond resonance.
Which of the following statements is $NOT$ correct?
The correct stability order of the following species is:
DifficultAIIMS 2009
View SolutionThe decreasing order of acidic strengths of the following compounds is:
Difficult
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