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In Friedel-Craft reaction the electrophi...

In Friedel-Craft reaction the electrophilic reagent is :

A

`Alcl_3`

B

`RCO^+`

C

`RCoverset+OCl`

D

None of these

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The correct Answer is:
B
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PATHFINDER-HYDROCARBONS-QUESTION BANK
  1. The number of sigma and Pi bonds in benzene molecule is :

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  2. Which is not an aromatic compound?

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  3. In Friedel-Craft reaction the electrophilic reagent is :

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  4. In the preparation of nitrobenzene from benzene by using a mixture of ...

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  5. Which of the following is hypophosphoric acid?

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  6. What happens when Sulphur reacts with concentrated nitric acid?

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  7. A deactivating group in electrophilic substitution reaction in benzene...

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  8. Cyclopentadienyl anion is aromatic due to the presence of

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  9. Anhydrous Alcl3 is used in Friedel Crafts reaction because it is :

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  10. The treatment of benzene with isobutylene in the presence of H2SO4 giv...

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  11. Both methane and ethane may be obtained by a suitable one step reactio...

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  12. When C2H5 Mg Br is reacted with CH3OH we get

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  13. The number of chain isomers in alkane containing six carbon atoms is :

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  14. The compound containing only primary hydrogen is

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  15. The olefin which on ozonolysis gives CH3 CH2CHO and CH3CHO is

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  16. Butyne on reaction with hot acidic KMnO4 gives :

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  17. The intermediate during the addition of HBr to propene in presence of ...

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  18. In presence of peroxide, HCl and Hl do not give anti Markovnikov's add...

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  19. Alkenes can be converted to carbonyl compound in one step by :

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  20. Which of the following will give only glyoxal on ozonolysis?

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