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Which of the following free radicals wou...

Which of the following free radicals would be expected to be most selective?

A

`H-C-=overset(.)(C)`

B

`H_(2)C=CH^(-)-overset(.)(C)H_(2)`

C

`overset(.)(C_(6)H_(5)`

D

`overset(.)(C)H_(3)`

Text Solution

Verified by Experts

The correct Answer is:
B
It is the most stable free radical hence, would be most selective in reaction.
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A2Z-SOME BASIC PRINCIPALS OF ORGANIC CHEMISTRY-Section D - Chapter End Test
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  2. Which of the following gives most stable carbocation by dehydration

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  3. Which of the following free radicals would be expected to be most sele...

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  4. The +I effect of alkyl groups is in the order

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  5. How many carbon atoms in the molecule HCOO-(CHOH)(2)-COOH are asymmetr...

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  6. With a change in hybridisation of the carbon bearing the charge, the s...

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  7. The C-C bond length of the following molecules is in the order

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  8. In the reaction CH(3)CHO+HCNtoCH(3)CH(OH)CN a chiral centre is produce...

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  9. Cyclic hydrocarbon molecules 'A' has all the carbon and hydrogen in a ...

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  10. Which of the following compounds may not exist as enantiomers?

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  11. Number of isomers of molecular formula C(2)H(2)Br(2) are

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  12. Which one of the following is an optically acitve compound?

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  13. Which of the following compounds shows optical isomerism?

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  14. The total number of isomers of a disubstituted benzene compound is

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  15. Number of optical isomers of lactic acid are

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  16. n-butane and isobutane are examples of

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  17. Which of the following has chiral structure?

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  18. Which of the following pairs is an example of position isomerism?

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  19. Geometrical isomerism is shown in

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  20. An organic compound exhibits optical isomerism when

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