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How alkenes are prepared from vicinal di...

How alkenes are prepared from vicinal dihalides?

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in vicinal dihalides, two halogen atoms are attached to adjacent carbon atoms. On treatment with zinc dust in ethylalcohol, dihalides loss a `ZnX_2` molecule. It forms an alkene. This reaction is known as dehalogenation. `CH_2Br-CH_2Br+ Zn rarr CH_2=CH_2 + ZnBr_2`
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OMEGA PUBLICATION-HYDROCARBONS-MULTIPLE CHOICE QUESTIONS (MCQs)
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  2. Both methane and ethane can be prepared in single step by the use of

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  3. Alkyl halides react with Mg in dry ether to form

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  4. Which of the following metal can be used for carrying out Wurtz-Fittig...

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  5. The most stable conformation of n-butane is

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  6. Wurtz reaction involves the interaction of alkyl halides in dry ether ...

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  7. Successive alkanes differ by

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  8. What are the functions of minerals in our body?

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  9. The rational number that does not have a reciprocal.

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  10. In the Friedel-Crafts synthesis of toluene, reactants in addition to a...

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  11. Write any two functions of water in our body?

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  12. The compound which produces propane on heating with HI in presence of ...

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  13. Point out the compound out of the following which has the lowest boili...

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  17. Baeyer's reagent is

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  20. What is reticulate venation and give examples?

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