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How do you account for acidic nature of ...

How do you account for acidic nature of alkynes as compared to alkenes ? Give two reactions in which acetylene behaves as an acid.

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MODERN PUBLICATION-HYDROCARBONS-Revision Exercises (Short Answer Questions (Carrying2 or 3 marks))
  1. Explain the terms substitution and addition reactions ? Methane gives ...

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  2. Why do alkenes undergo electrophilic addition reactions ? Explain the ...

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  3. How do you account for acidic nature of alkynes as compared to alkenes...

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  4. Discuss the general mechanism of the electrophilic substitution in ben...

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  5. Discuss the structure of benzene in terms of resonance and orbital con...

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  6. Why does benzene undergo electrophilic substitution reaction instead o...

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  7. How will you convert benzene into acetophenone ? Discuss the mechanism...

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  8. How is benzene converted into nitrobenzene ? Discuss the mechanism of ...

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

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  10. Explain the term polymerisation with two examples.

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  11. Explain the following: (i) Alkynes are acidic in nature. (ii) Alk...

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  12. Give four important reactions of benzene and explain the mechanism of ...

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  13. Explain the mechanism of the following reactions : (i) Sulphonation of...

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  14. Draw the structures of six isomeric pentenes, C(5)H(10) Specify as E o...

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  15. Write down the products of ozonolysis of 1, 2-dimethylbenzene (o-xylen...

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  16. If one mole of HBr is added to the following compounds, write down the...

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  17. Write structures of all the alkenes which on hydrogenation give 2-meth...

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  18. Which of the following polymerises most readily and why? (i) Acetyl...

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  19. Why does benzene undergo electrophilic substitution reactions easily a...

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

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