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Which nitrogen is protonated readily in ...

Which nitrogen is protonated readily in the guanidine?

A

1

B

2

C

3

D

none of the above

Text Solution

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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 is incorrect?

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  2. Product (A) by the reaction is :

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  3. Which nitrogen is protonated readily in the guanidine?

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  4. Product of this reaction by single (S(E)) electrophilic substitution i...

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  5. Which of the following can undergo nucleophilic substitution under ord...

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

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

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  8. The above trasformation proceeds through:

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

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

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

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

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  13. Select the incorrect statement among the following

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

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  15. Among the following the aromatic compound is

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

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

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  18. Most stable carbocation is:

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  19. Which of the following is least stable ?

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

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