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The enolic form of acetone contains:...

The enolic form of acetone contains:

A

` 9 sigma , 1` pi bond and `2` lone pairs

B

` 8 sigma , 1` pi bond and `2` lone pairs

C

` 10 sigma , 1` pi bond and `1` lone pairs

D

` 9 sigma , 2` pi bond and `1` lone pairs

Text Solution

Verified by Experts

The correct Answer is:
A
Acetone shows tautomerism as
`underset (("keto form")) underset(O)underset(||) (CH_3 -C-CH_3)hArrCH_2=underset(("enol form "))underset(OH)underset(|)(C-)NH_3`.
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P BAHADUR-CHEMICAL BONDING-Exercise2A
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  2. Which of the following halides is not oxidised by M no2 ?

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  3. The enolic form of acetone contains:

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  4. Amongst LiCl, RbCl, BeCl2 and MgCl2, the compounds whith the greatrest...

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  5. The total number of valence electrons in 4. 2g of N3^- ion are :

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  6. In piperdine . N -H, N atom has hybridisation :

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  7. One among the following is the incrorrect order of increasing ionisati...

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  8. CuSO4. 5H2 O is represented as :

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  9. The correct order of increasing electropositive character among Cu . F...

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  10. Which shows a changes in the type of hybridisation when :

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  11. When temperature is lowered NO2 dimerises . It is accompanised by :

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  12. The dipole moment of NF3 is very much less compatred to that of NH3 be...

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  13. In HCHO, there are X no-bonding electron pairs Y sigama -bonds and Z ...

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  14. For compounds , A : Tetracuanoethern B : Carbon dioxide C: Ben...

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  15. Hypervalent compound is :

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  16. Which set contains par of elements that do not belong to same froup bu...

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  17. An element of p-block in which last electron enters into s-orbital of ...

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  18. Covelant radius of Liis 123 pm .The crystal radius of Li will be:

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  19. A molecule which cannot exist theoretcally is :

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  20. Which are true statements among the following ?

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