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The reaction of phenylacetylene with on...

The reaction of phenylacetylene with one equivalent of methyl magnesium bromide followed by reaction with benzaldehyde provides

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AAKASH INSTITUTE-HALOALKANES AND HALOARENES -Assignment (Section - B ) ( Objective Type Question(One option is correct ))
  1. Among the three possible isomers of dibromo benzenes the highest ...

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  2. Benzal chloride on hydrolysis gives

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  3. For the reaction R- Br to R- O - N =O the suitable reagent is

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  4. Compound X in the reaction is

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  5. What would be the major product of the given reaction ?

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  6. Arrange the given alkylhalides in the increasing reactivity towar...

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  7. Which of the following substrate is most reactive towards methoxi...

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  8. Each of the following reaction is given by tertiary butylbromide...

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  9. On the basis of the given reaction sequence find out the final...

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  10. Which of the following compound will given yellow precipitate on ...

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  11. When chloroform reacts with NaOH an important reactive intermedi...

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  12. Through S(N)2 reaction we cannot convert

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  13. Suppose that CH(3) CH(2) I is added to an enthanol solution contain...

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  14. Rank the following compounds in order of increasing E(2) reaction ...

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  15. PhMgBr (Grignard reagent ) cannot be used to prepare the compound ...

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  16. Which chloroderivative of nitrobenzene among the following would...

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  17. R-(-)-2- Bromooctane on treatment with aqueous KOH mainly gives 2- o...

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  18. A chemist plans to prepare 1- bromo-2- pentene by the following re...

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  19. The two compounds shown in the figure below are

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  20. The reaction of phenylacetylene with one equivalent of methyl magnes...

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