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Which of the following is not a planar m...

Which of the following is not a planar molecule?

A

`H_(2)C=C=CH_(2)`

B

`H_(2)C=C=C=CH_(2)`

C

`H_(2)C=C=O`

D

`NC-HC=CH-CN`

Text Solution

Verified by Experts

The correct Answer is:
A

`P_(z)` and `P_(y)` orbital of `C-1` and `C-3` are perpendicular.
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HIMANSHU PANDEY-GENERAL ORGANIC CHEMISTRY-Level 2 (Q.1 To Q.25)
  1. In which of the following compounds is hydroxylic proton the most acid...

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  2. Which of the following pairs does not represent the resonance contribu...

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  3. Which of the following is not a planar molecule?

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  4. Which of following pairs does not represent resonance sturctures?

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  5. In which of the following pairs is the sturcture on the right major re...

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  6. In which of the following pairs of resonance contributors is the sturc...

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  7. Examine the following resonating structures of formic acid and arrange...

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  8. Which of the following compounds will not show resonance?

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  9. Which of the following compounds will exhibit d-orbital resonance?

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  10. Which of the following represents resonating structure of

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  11. Which of the following is not a permissible resonating form?

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  12. Less contributing structure of nitroethene is :

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  13. Which will be the least stable resonating structure?

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  14. Which will be the least stable resonating structure?

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  15. Which of the following pairs of structures is not a pair of resonating...

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  16. Which of the following pairs of strutures does not represent resonatin...

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  17. The most stable resonating structure of p-nitrosonitrobenzene is :

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  18. Which of the following molecules has longest C=C strenght?

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  19. The decreasing order of bond length of C=C in the following compounds ...

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  20. In which of the following molecules all the effects namely inductive, ...

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