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Acetaldehyde reacts with DNP to give ora...

Acetaldehyde reacts with DNP to give orange/black precipitate.

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MODERN PUBLICATION-ALDEHYDES, KETONES AND CARBOXYLIC ACIDS-EXERCISE
  1. The boiling point of propanone is higher/lower than that of propanal.

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  2. Why do aldehydes and ketones undergo nucleophilic addition reaction?

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  3. Acetaldehyde reacts with DNP to give orange/black precipitate.

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  4. Nitrobenzene on electrolytic reduction in strongly acidic medium gives

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  5. The red brown precipitate of aldehydes with Fehling solution is due to...

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  6. Iodoform test is not given by :

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  7. Aldehydes or ketones are reduced to alkanes/alcohols with NaBH4.

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  8. When Phenol is react with C Cl4 in place of CHCl3 in the reaction, th...

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  9. The reaction : CH2 = CH2 + CO + H2O(steam) overset (H3PO4, Delta) rarr...

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  10. During the reaction of carboxylic acid with Na2CO3 the carbon dioxide ...

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  11. Ethanoic acid is weaker acid than benzoic acid.Why ?

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  12. Carboxylic acids are reduced to alkanes /alcohols with HI, red P.

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  13. When calcium acetate is distilled, it gives acetone/ acetaldehyde.

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  14. Formic acid gives Silver mirror test Tollen's reagent.

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  15. How benzoic acid is prepared from toluene ?

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  16. Water is more acidic than alcohol

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  17. Why are the boiling points of carboxylic acids higher than the corresp...

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  18. Chloroacetic acid reacts with KCN followed by acidic hydrolysis to giv...

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  19. Arrange the following in order of their increasing reactivity towards ...

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  20. What is the hybridised state of carbonyl carbon atom?

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