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For an electrophilic substitution reacti...

For an electrophilic substitution reaction , the presence of a halogen atom in the benzene ring …..

A

deactivates the ring by inductive effect

B

deactivates the ring by resonance

C

increases the charge density at ortho and para position relative to meta position by resonance

D

directs the incomong electrophile to meta position by increasing the charge density relative to ortho and para position.

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The correct Answer is:
A, C
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NARAYNA-HYDROCARBONS -EXERCISE - 4
  1. Arrange the following in decreasing order of their boiling points. (...

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  2. Arrange the halogens F(2),Cl(2),Br(2),I(2), in order of their increasi...

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  3. The increasing order of reduction of alkyl halides with zinc and dilut...

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  4. The correct IUPAC name of the following alkane is

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  5. Arrange the following hydrogen halides in order of their decreasing re...

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  6. Arrange the following carbanions in order of their decreasing stabilit...

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  7. Which of the following reactions of methane is incomplete combustion:

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  8. Some oxidation reactions of methane are given below. Which of them is/...

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  9. Which of the following alkenes on ozonolysis give a mixture of ketones...

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  10. Which are the correct IUPAC names of the following compound?

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  11. For an electrophilic substitution reaction , the presence of a halogen...

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  12. In an electrophilic substitution reaction of nitrobenzene, the presenc...

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  13. Which of the following are correct?

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  14. The molecules having dipole moment are :

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  15. Match the reagent from Column I which on reaction with CH(3)-CH=CH(2)...

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  16. Match the hydrocarbons in column I with the boiling points given in co...

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  17. Match the following reactants in Column I with the corresponding react...

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  18. Match the reactions given in Column I with the reaction types in Colum...

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