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Why a benzaldehyde less reactive than ac...

Why a benzaldehyde less reactive than acetaldehyde towards nucleophilic addition reactions?

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Why is acetaldehyde more reactive than acetone towards nucleophilic addition reactions ?

Assertion : Benzaldehyde is less reactive than propanal towards nucleophilic addition reactions. Reason : Benzaldehyde is less sterically hindred.

Statement -1: Acetophenone gives aldol condensation. Statement-2: Benzaldehyde is more reactive than acetaldehyde towards nucleophilic addition. Statement-3: Benzophenone has alpha -Hydrogens

Why are aldehydes more reavtice than ketones towards nucleophilic addition reactions ?

STATEMENT -I : Benzaldehyde is more reactive then acetaldehyde towards nucleophilic addition STATEMENT -2 : In benzaldehyde C=O group is resonance stabilised by phenyl ring.

Which is most reactive towards nucleophilic addition reactions?

A : Aromatic aldehydes are less reactive than aliphatic aldehyde towards nucleophilic substitution reaction. R : In case of aromatic aldehyde,+R effect of phenyl ring is present.

PRADEEP-HYDROCARBONS-ADDITIONAL QUESTIONS (SHORT ANSWER QUESTIONS)
  1. Describe with a labelled diagram the laboratory method of preparation ...

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  2. Write the equation for preparation of propyne.

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  3. Why a benzaldehyde less reactive than acetaldehyde towards nucleophili...

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  4. Comment upon acidic character of terminal alkynes

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  5. Account for the order of acidity: "Acetylene" gt "Benzene" gt "Hexa...

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  6. Why do alkynes undergo addition reactions while simple alkenes do not?

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  7. Discuss the stereochemistry of the reduction products obtained when bu...

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  8. Sketch the mechanism of addition of water to alkynes.

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  9. Reactions of Alkynes

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  10. isomerism of alkenes

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  11. discuss the orbital structure of ethene

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  12. Benzene contains three double bonds yet it behaves like a saturated co...

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  13. Why is that the carbon-carbon bond distance in benzene is intermediate...

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  14. Define substitution reactions. Why do arenes undergo substitution reac...

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  15. What is meant by (i) delocalization (ii) resonance energy ?

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  16. The resonance energy of benzene is

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  17. Explain the term aromaticity ? How can Huckel rule be used to determin...

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  18. What are the necessary conditions for any system to be aromatic?

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  19. Benzene is treated with methyl chloride in presence of anhydrous AlCl3...

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  20. Which of the following undergoes electrophilic substitution reactions ...

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