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Diphenyls are potential threat to the en...

Diphenyls are potential threat to the environment. How are these product from aryl halides?

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By fitting reaction: Diphenyls are producted by treating haloarenes with sodium metal in dry ehter.

By Ullmann biaryl synthesis: By heating an iodoarence with Co-power in a sealed tube.
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CHHAYA PUBLICATION-HALOAKANES AND HALOARENES-Solved NCERT Examplar Problems: Short Answer Type
  1. Write down the structure and IUPAC name for neo-pentylbraomide.

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

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  3. Name the alkene which will yield 1-chloro-1-methylcyclohexane by its r...

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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 solvent 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 environment. How are these produ...

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  12. What are the IUPAC names of the insecticide DDt and benzenehexachlorid...

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

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  14. How will you obtain monobromobenzene from aniline?

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  15. Arly halides are extremely less reactive toward nucleophilic substitut...

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

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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 nucleophilie. From which end it acts a...

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