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An alkyl halide is reduced to the corres...

An alkyl halide is reduced to the corresponding alkane by tributyl stannane `(C_(4)H_(9))_(3)`SnH and by a free radical menchanism in the presence of an initiator, an azo compound

that breaks down to `N_(2)` and a radical. Give the mechanism of the reaction.

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Chain-propagation step:
`(C_(4)H_(9))_(3) Sn + R ---X rarr (C_(4)H_(9))_(3) Sn---X + R`
`R + (C_(4)H_(9))_(3)Sn----H rarr RH + (C_(4)H_(9))_(3)Sn`
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CENGAGE CHEMISTRY-ALKANES AND CYCLOALKANES-EXERCISES
  1. a. What is the relative abstraction of H and D ? b. Why free-ra...

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  2. There are six isomeric alkenes (A, B, C, D, E, and F) that require 1 m...

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  3. There are five isomeric alkenes (A, B, C, D, and E) that require 1 mol...

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  4. Write the structure of all the alkenes that can be hydrogenated to fro...

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  5. Write the reaction of benzyl magnesium obmide with CH(3)OD and also id...

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  6. Calculate the percentage of compounds obtained by monobromination of i...

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  7. Which factors determine the reactivity of halogens in the subsitution ...

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  8. Predict the percentage of ismoers formed during monobromination of 2,3...

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  9. In the study of chlorination of propane, four prouducts A, B, C, and D...

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  10. A chloro derivative (A) on treatment with zinc - copper couple gives a...

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  11. An alkyl halide is reduced to the corresponding alkane by tributyl sta...

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  12. When a mixture of 2-merthyl propane and C C1(4) is reacted at 403-413 ...

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  13. Alkanes are monochlorinate with t-butyl hypochlorite as a radical ...

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  14. Delta Hc^(-) (the standard enthalpy of combustion) of butane and 2-met...

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  15. Arrange the following compounds according to the decreasing order of h...

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  16. Which of the following has the highest boiling point ? i. 2-Methyl ...

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  17. How many geometrical isomers are possible for the following compounds:...

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  18. Complete the following reaction: i. ii.

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  19. Equal amounts of (e, e) and (a, a) conformers of trans-1,2-dichloro cy...

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  20. Which isomer has the lower energy and which is fiexible in cis and tra...

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