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Why is benzene extra ordinarily stable t...

Why is benzene extra ordinarily stable though it contains three double bonds?

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The extraordinarily stability of benzene is due to resonance. Due to resonance, the `pi`-electron cloud gets delocalized resulting stability of molecule,
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MODERN PUBLICATION-HYDROCARBONS-Conceptual Questions
  1. Why do alkynes not show geometrical isomerism?

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  3. What is the difference between isomers and conformers?

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  4. What is the cause of geometrical isomerism in alkenes ?

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  7. Which of the two trans-but-2-ene or trans-pent-2.ene is non polar?

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  9. Arrange the following alkenes in the decreasing order of stability: ...

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  10. Why are 1,4 adducts of 1, 3-butadiene are more stable than 1, 2-adduet...

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  11. Which of the following is acidic : But-2-ene, But-2-yne, But-1-yne, ...

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  12. Arrange the following in increasing order of their release of energy o...

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  13. Arrange the following set of compounds in order of their decreasing re...

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

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  15. What effect the branching of an alkane has on its boiling point?

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  17. Suggest the name of a Lewis acid other than anhydrous aluminium chlori...

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  18. Arrange benzene, n-hexane and ethyne in decreasing order ofacidic beha...

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  20. How will you prepare deuteroisopropane ?

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