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The enolic form of butanone contains...

The enolic form of butanone contains

A

`12 sigma` bonds, `1pi` bond and 2 lone pairs of electron

B

`11 sigma` bonds, `1pi` bond and 2 lone pairs of electrons

C

`12sigma` bonds, `1pi` bonds and 1 lone pair of electrons

D

`10sigma` bonds, `2pi` bonds and 2 lone pairs of electrons

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The correct Answer is:
A
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OP TANDON-INTRODUCTION TO ORGANIC CHEMISTRY -OBJECTIVE QUESTIONS (Level-A)
  1. Consider the following compounds: (A) chloroethene (B) benzene (C) ...

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  2. The decreasing order of blood dissociation energies of C-C, C-H and H-...

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  3. In 2-butene, which one of the following statements is true?

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  4. Compare List I and List II and choose the correct matching codes from ...

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  5. In the following compound, the number of 'sp' hybridised carbon is: ...

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  6. Which of the following has the highest dipole moment?

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

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  8. Which one of the following arrangements does not give the correct pict...

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  9. The enolic form of ethyl acetoacetate as shown below has

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  10. The enolic form of butanone contains

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  11. Hybridization of nitrogen atom in pyridine is:

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  12. The number of pi-bonds in the following compound O(2)N-C-=C-NO(2) is:

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  13. The compound in which underlined carbon uses only its sp^(3)-hybrid or...

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  14. Match the following: {:((A)"Simple distillation",(i)"to separate the...

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  15. Match the following: {:((A)"Sublimation",(i)"Ether+toluene"),((B)"Di...

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  16. Allyl cyanide has

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  17. The correct order of decreasing H-C-H angle in the following molecule ...

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  18. For which of the following molecule significant mu ne0 ?

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  19. Consider the molecules CH(4),NH(3) and H(2)O which of the given statem...

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  20. The distillation technique most sited for separating glycerol from spe...

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