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C(6)H(5)CH(2)CH(3)overset(Br(2)//hv)(rar...

`C_(6)H_(5)CH_(2)CH_(3)overset(Br_(2)//hv)(rarr)Aoverset(NaCN)(rarr)B`. Identify A and B and explain their formations.

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`A implies C_(6)H_(5)CHBrCH_(3)` (because benzyl free-radical is resonance - stabilised), `Bimplies C_(6)H_(5)CH(CN)CH_(3)` (because `CN^(Theta)` is a stronger nuclephile than `Br^(Theta))`.
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CHHAYA PUBLICATION-HALOAKANES AND HALOARENES-Exercise - Short answer type questions
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  4. Which one of each pair of compounds will undergo S(N)1 reaction readil...

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  5. In which reaction does recemisation occurs and why?

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  6. Prove that in S(N)2 reaction inversion of configuration takes place.

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  7. Arrange in increasing priority: -CH(2)CH(3), -CD(2)CH(3), -CH(3),-NH(2...

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  8. How can an asymmetric carbon be designated as R or S?

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  9. What is the necessary and sufficient condition for a molecule to show ...

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  10. What do you mean by enantiomers and diastereoisomers?

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  11. What do you mean by meso-compound and racemic modication? Explain why ...

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  12. What is Saytzef rule? Explain with an example.

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  13. Although haloalkanes can be prepared from alcohols, haloarenes cannot ...

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  14. The dipole moment of chlorobenzene is lower than that of cyclohexyl ch...

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  15. Why is chlorobenzene inert towards S(N)1 and S(N)2 reactions?

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  16. Explain why the melting point of p-dichlorobenzene is higher than that...

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  17. Arrange chlorobenzene, p-chloronitrobenzene and m-chloronitrobenzene i...

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  18. How is chloroform preserved and why?

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  19. What are Freons? How can Freon-12 be prepared? Mention its uses and ph...

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  20. C(6)H(5)CH(2)CH(3)overset(Br(2)//hv)(rarr)Aoverset(NaCN)(rarr)B. Ident...

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