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Give reasons in one or two sentances for...

Give reasons in one or two sentances for the following: 'Hydrazones of aldehydes and ketones are not prepared in highly acidic medium'.

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Question based on preparation of aldehydes and ketones

CENGAGE CHEMISTRY-ALIPHATIC AND AROMATIC ALDEHYDES AND KETONES-Archives Subjective
  1. Arrange the following in the order of their incresing reactivity towar...

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  2. Write down the main product of the following reaction. Propanal overse...

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  3. Give reasons in one or two sentances for the following: 'Hydrazones of...

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  4. In what manner the following transformation might be carried out (in n...

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  5. Complete the following with appropriate structures.

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  6. Compound (A) (C(6)H(12)O(2)) on reduction with LiAlH(4) yielded two co...

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  7. Arrange the following in the increasing order of expected enol content...

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  8. Write the structure of major organic product expected from the followi...

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  9. How will you bring about the following conversions ? '4-nitrobenzaldeh...

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  10. Complete the following reaction with appropriate structure. C(6)H(5)...

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  11. Complete the following reaction with appropriate structure:

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  12. Suggest appropriate structure of the missing compounds. (The number of...

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  13. Complete the following, giving the structures of principal organic pro...

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  14. Acetophenone on reaction with hydroxyl amine hydrochloride can produce...

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  15. An aldehyde (A) (C(11)H(8)O), which does not undergo self aldol conden...

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  16. Complete the following reactions with appropriate structures of produc...

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  17. Compound (A) (C(8)H(8)O) on treatment with NH(2)OH.HCl gives (B) and (...

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  18. o-Hydroxy benzaldehyde is more soluble in water than p-hybroxy benzald...

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  19. Carry out the following transformation in not more than three steps. ...

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  20. What would be the major product in the following reaction ?

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