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In which of the following, the group att...

In which of the following, the group attached to the benzene ring shows +R effect

A

B

C

D

All of these

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AAKASH INSTITUTE ENGLISH-ORGANIC CHEMISTRY : SOME BASIC PRINCIPLES AND TECHNIQUES -Exercise
  1. Carbon-carbon bond-order in benzene is -1.5 due to

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  2. Which of the following is the most acidic?

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  3. In which of the following, the group attached to the benzene ring show...

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  4. Which of the following compound can show resonance?

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  5. Which of the following is the most stable carbocation?

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  6. Electromeric effect involves the complete transfer of

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  7. which of the following is most acidic in natute:

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  8. The most deactivating group for electrophilic substitution reaction in...

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  9. The number of alpha carbon-hydrogen atoms present in C(2)H(5)-underset...

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  10. Hyperconjugation involves delocalisation of.....

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  11. Which of the following alkene is the most unstable

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  12. The maximum number of no bond resonating structure is possible in

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  13. How many ways a bond between two atoms can cleave?

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  14. Which of the following is the most reactive towards electrophilic subs...

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  15. Which of the following can act as an electrophile?

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  16. Which of the following is neutral nucleophile?

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  17. The group which is most activating is

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  18. Hyperconjugation is also known as

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  19. Which of the following is electron deficient species?

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  20. Hybridisation of carbon in CH(2)=CH-overset(o+)(C )H(2)

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