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Explain the formation of products (B), (...

Explain the formation of products (B), (C), and (D) in the following reaction.

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Two moles of a very strong base such as butyl lithium (BuLi), convert an alkyne into dianion by the removal of the terminal H and a propargylic H.
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OP TANDON-UNSATURATED HYDROCARBONS-PROBLEMS FOR PRACTICE
  1. Explain the formation of products (B), (C), and (D) in the following r...

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  2. Complete the following equations: a) H(2)C=CH-CH(3)+HCl to (A) b) ...

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  3. Draw all the structural , stereo, and cyclic isomers of C(4) H(6).

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  4. a) Give the structural formulae of the alkene (C(8)H(16)) which on red...

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  5. Answer the following: a) If the bond order (number of bonds) between...

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  6. a) Arrange benzene, n-hexane and ethyne in decreasing order of acidic ...

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  7. Draw the cis and trans structures of hex-2-ene. Which isomer will have...

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  8. Two compounds (X) and (Y) of the same molecular formula. C(4)H(6) gave...

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  9. Identify the products of the following reactions:

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  10. How will you synthesis? ltbrlt a) Vinyl chloride from acetylene b) B...

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  11. How will you obtain the following from propene? a) n-Propyl bromide ...

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  12. How will you differentiate the following? A) Ethylene and ethane b) ...

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  13. a) A gaseous mixutre consists ethane and ehylene. How are the individu...

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  14. Explain the mechanism of the following reactions: a) Addition of bro...

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  15. Deduce the structures of the compounds which yeild the following produ...

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  16. a) Compound (A) C(8)H(12) on oxidation gives an acid (B) C(4)H(6)O(2)....

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  17. Explain the following: a) Why alkenes are more reactive than alkanes...

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