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Which of the following statements are co...

Which of the following statements are correct :

A

An activating group is an electron-releasing group

B

An activating group activates all position of the benzene ring

C

The effect of any group-wheather activating or deactivating-is the strongest at the ortho-and para-positions in the benzene ring

D

An activating group activates only the ortho-and para-positions in the benzene ring

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The correct Answer is:
B, C
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ALLEN-ALKENE, ALKANE & ALKYNE -EXERCISE-2
  1. Which of the following groups are meta-directing :

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  2. Which of the following groups are ortho-end para-directing :

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  3. Which of the following statements are correct :

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  4. The major products formed in the reaction of toluene with chlorine in ...

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  5. benzene can undergo :

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  6. Which of the following statement about the nitration of aromatic compo...

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  7. Halogenation of benzene in presence of AlCl(3) (anhy.) is :

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

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  9. Select the incorrect statement among the following

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

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

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  12. Conjugation of electron withdrawing groups, e.e., -CHO, -overset(O)ove...

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  13. Which of the following sttements is//are true

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  14. underset(FeBr(3))overset(Br(2))rarrmajor product is

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  15. Most stable frec ratical formed at the position

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  16. Consider the following reaction. (1R,3S)-cis-Bromo-3-methylcycloh...

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  17. consider the following aclolhols : the order of decrasing reactiv...

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  18. The product formed in the following reaction

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  19. Consider the following sequence of reactions C(2)H(5)C -= CH overse...

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  20. In the transformations PhCH=CH(2)overset(ArCO(3)H)underset(CH(2)Cl(2...

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