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Discuss the stereochemistry of the reduc...

Discuss the stereochemistry of the reduction products obtained when but-2-yne is reduced with (i) Lindlar's catalyst (ii) Na in liquid `NH_3`

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PRADEEP-HYDROCARBONS-ADDITIONAL QUESTIONS (SHORT ANSWER QUESTIONS)
  1. Account for the order of acidity: "Acetylene" gt "Benzene" gt "Hexa...

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

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

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

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  5. Reactions of Alkynes

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  6. isomerism of alkenes

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  7. discuss the orbital structure of ethene

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

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

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

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

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  12. The resonance energy of benzene is

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

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

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

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

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  17. Write down the products and give the mechanism of the following reacti...

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  18. Explain the directive influence of substituents on benzene and their e...

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  19. Which of the following group (s) is/are o- and p-directing ?

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  20. Predict the products of the following reactions : (i)Toluene overset...

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