Which of the following statements are correct?
A. Hyperconjugation helps in increasing electron density at ortho and para-sites in case of alkyl groups.
B. Electron donating groups are activators and are ortho and para-directors because they stabilise the arenium cations.
C. Electron withdrawing groups are activators and are meta-directors because they stabilise the arenium cations.
D. Halogens are activatoring groups and ortho and para-directors.
E. - COR group direct the incoming group to the meta position.
Choose the correct answer from the options given below :
Text Solution
Verified by ExpertsC
Among the given statemetns, only A, B and E are correct while the other statements C and D
are incorrect. Their correct form are
• Electron withdrawing groups are deactivars and are meta-directors.
• Halogens are deactivating group and ortho-and para-directors.
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