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Polarisation of electrons in acrolein ma...

Polarisation of electrons in acrolein may be written as :

A

`overset(delta-)CH_(2)=CH-overset(delta+)CH=O`

B

`overset(delta-)CH_(2)=CH-CH=overset(delta+)O`

C

`overset(delta-)CH_(2)=overset(delta+)CH-CH=O`

D

`overset(delta-)CH_(2)=CH-CH=overset(delta-)O`

Text Solution

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The correct Answer is:
D
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DINESH PUBLICATION-BASIC PRINCIPLES OF ORGANIC CHEMISTRY-SELECTED STRAIGHT OBJECTIVE TYPE MCQS
  1. In the following compounds The order of basicity is

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  2. The formation of cyanohydrin from ketone is an example of :

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  3. Polarisation of electrons in acrolein may be written as :

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  4. The most unlikely representation of resonance structure of p-nitrophen...

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  5. Which of the following alkenes will react fastest with H(2) under cata...

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  6. Which of the following has highest nucleophilicity ?

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  7. The reaction of propene with HOCl proceeds via the addition of :

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  8. Which is most stable ?

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  9. Identify correct order of reactivity in electronphilic substitution re...

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  10. Consider the following reaction: CH(3)underset(D)underset(|)CH-under...

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  11. Which among the following is the most stable carbocation ?

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  12. The names of some compounds are given. Which one not in the IUPAC syst...

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  13. Due to the presence of an unpaired electron free radicals are

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  14. The IUPAC name of C(6)H(5)COCl is

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  15. IUPAC name of

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  16. The general molecular formula, which represents the homologous series ...

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  17. The increasing order of stability of the following free radicals is:

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  18. The IUPAC name of the compound shown below is

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  19. IUPAC name of

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  20. Among the following, the least stable resonance structure is :

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