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Number of sigma bonds ,pi bonds and lon...

Number of `sigma ` bonds ,`pi` bonds and lone pairs of electrons present in acetone semicarbazone are

A

`16, 2,5`

B

` 16,2,2`

C

` 14,2,4`

D

` 16,2,4`

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The correct Answer is:
A
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AAKASH SERIES-APPENDICES -REVISION EXERCISE -ALDEHYDES AND KETONES
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  2. (I) CH3 OH (II) C2H5OH (III) CH3CH2CH2OH (IV) CH3 -CH (OH)CH3...

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  3. Number of sigma bonds ,pi bonds and lone pairs of electrons present i...

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  4. IUPAC name of dehydration product of compound 'X' which is obtained on...

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  5. Which of the following participate in aldol condensation

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  6. Acetaldehyde and acetone can be identified by

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  7. A overset( HBr) to B overset( AqKOH) to C overset( PDC) to CH3 COC...

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  8. Reduction of can be carried out with

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  9. A carbonyl compound can be prepared by hydration of acetylene. It reac...

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  10. (CH(3))(2)CO underset((HCl))overset(NaCN)rarr A underset(Delta)overset...

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  11. Which one of the following is one of the cross end products formed whe...

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  12. X+RMgX rarr Y overset(H(2)O.H^(+))rarr Z . If Z is n-butyl alcohol, ...

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  14. 2, 3-dimethyl-2-butene, on reductive ozonolysis gives

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  15. HCHO with conc. Alkali forms two compounds. The change in oxidation nu...

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  16. Which of the following compounds would undergo the Cannizaro reaction ...

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  17. Benzaldehyde can be prepared by oxidation of toluene with

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  18. Hydrogenation of benzoyl chloride in the presence of Pd and BaSO(4) gi...

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  19. Benzaldehyde is obtained from toluene by

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  20. C(6)H(6) +CO + HCl overset("Anhyd."AlCl(3))rarr X + HCl Compound X is

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