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How many sigma- and pi- bonds are there ...

How many `sigma-` and `pi-` bonds are there in the molecule of tetracyanoethylene ?

A

Nine `sigma-` and nine `pi-` bonds

B

Five `sigma-` and nine `pi-` bonds

C

Nine `sigma-` and seven `pi-` bonds

D

Five `sigma-` and eight `pi-` bonds

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The correct Answer is:
A
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MODERN PUBLICATION-ORGANIC CHEMISTRY : SOME BASIC PRINCIPLES-Multiple Choice Questions Level - II
  1. The first organic compound was prepared by

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  2. In the hydrogenation of the following reaction the state of carbon cha...

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  3. How many sigma- and pi- bonds are there in the molecule of tetracyanoe...

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  4. The compounds which gives the most stable carbonium ion on dehydration...

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  5. Which one of the following IUPAC names is correct ?

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  6. The stability of the carbonium ion depends upon : A: the polarity of...

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  7. The correct IUPAC name of lactic acid is :

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  8. The enolic form of Acetone contains :

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  9. The compound in which carbon uses sp^(3) hydrid orbitals for bond form...

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  10. The IUPAC name of the compound is :

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  11. The IUPAC name for : CH(3)CH=CHCH(2)underset(NH(2)" ")under...

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  12. The hybridisation of C in diamond, graphite and ethyne is in the order

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  13. Which of the following contains acetic acid ?

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  14. Anisole belongs to class of :

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  15. In which of the compounds given below is there more than one kind of h...

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  16. The IUPAC name of the compound is :

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  17. Name of the compound given below is :

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  18. Names of some cpmpounde are given. Which one is not in IUPAC system :

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  19. Which amongest the following is the most stable carbocation ?

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  20. The general formula which represents the homologous series of alkanols...

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