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Diphenyls are potential threat to the en...

Diphenyls are potential threat to the envioronment. How are these produced from aryl halides?

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Diphenyls can be prepared from aryl halides by the following two methods:
(i) Fittig reaction and (ii) Ullmann biaryl synthesis.
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PRADEEP-HALOALKANES AND HALOARENES-NCERT EXEMPLAR PROBLEMS WITH ANSWERS, HINTS AND SOLUTIONS (SHORT ANSWER QUESTIONS)
  1. Write down the structure and IUPAC name for neo-pentylbromide.

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  2. A hydrocarbon of molecular mass 72 g mol^(-1) gives a single monochlor...

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  3. Name of the alkene which will yield 1-chloro-1-methylcyclohexane by it...

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  4. Which of the following haloalkanes reacts with aqueous KOH most easily...

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  5. Why can aryl halides not be prepared by reaction of phenol with HCl in...

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  6. Which of the following compounds would undergo S(N)1 reaction faster a...

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  7. Allyl chloride is hydrolysed more readily than n-propyl chloride. Why ...

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  8. Why is it necessary to avoid even traces of moisture during the use of...

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  9. How do polar solvents help in the first step in S(N)1 mechanism?

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  10. Write a test to detect the presence of double bond in a molecule.

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  11. Diphenyls are potential threat to the envioronment. How are these prod...

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  12. What are the IUPAC names of the insecticide DDT and benzene hexachlori...

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  13. Elimination reaction (especially beta - elimination) are as common as ...

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  14. How will you obtain monobromobenzene from aniline ?

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  15. Aryl halides are extremely less reactive towards nucleophilic substitu...

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  16. tert-Butylbromide reacts with aq. NaOH by S(N)1 mechanism while n but...

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  17. Predict the major product formed when HCl is added to isobutylene, Exp...

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  18. Discuss the nature of C-X bond in the haloarenes.

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  19. How can you obtain iodoethane from ethanol when no other iodine contai...

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  20. Cyanide ion acts as an ambident nucleophille. From which end it acts a...

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