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Dehydrobromination (-HBr) of the followi...

Dehydrobromination `(-HBr)` of the following in increasing order will be :

A

`IltIIltIII`

B

`IIIltIIltI`

C

`I=IIltIII`

D

`IIIltI=II`

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The correct Answer is:
A
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OP TANDON-BASIC PRINCIPLES OF ORGANIC COMPOUNDS (MECHANISM OF ORGANIC REACTIONS)-OBJECTIVE QUESTIONS (Level-B)
  1. Which of the following can undergo nucleophilic substitution under ord...

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  2. Electrophile NO(2)^(+) attacks on the following: In which cases w...

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  3. Dehydrobromination (-HBr) of the following in increasing order will be...

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  4. The above trasformation proceeds through:

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  5. Maximum stability will be in which of the following free radicals?

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  6. Which of the following structures correspond to the product expected, ...

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  7. The intermediate during the addition of HCl to propene in the presence...

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  8. A covalently strated host group present in the benzene nucleus is orth...

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  9. Select the incorrect statement among the following

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  10. Kharasch effect regarding addition of HBr is not observed in:

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  11. Among the following the aromatic compound is

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  12. Identify the correct order of reactivity in electrophilic substitution...

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  13. In which of the following, first memeber is more stable than second?

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  14. Most stable carbocation is:

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  15. Which of the following is least stable ?

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  16. The structure of Wheland intermediate obtained after the attack of Br^...

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  17. Which of the following halides will be most reactive towards S(N^(2)) ...

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  18. Conjugation of electron withdrawing groups, e.g., -CHO, -overset(O)o...

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  19. Relative stabilities of the following carbocations will be in the orde...

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  20. Consider the reaction : CH(3)CH(2)CH(2)Br+NaCNrarrCH(3)CH(2)CH(2)CN+...

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