41. What is the missing reagent in the reaction below? A. NaBH B. H2NNH2, KOH C.

Question

41. What is the missing reagent in the reaction below? A. NaBH B. H2NNH2, KOH C. H2, Pd/C D. KMnO.4 42. What is the missing reagent in the reaction below? AICl CO2H COCI CO2H A. C. D. A. A B. B C. C D. D 43. Which of the following statements is (are) true about electrophilic aromatic substitution? A. The methoxy group, -OCH3, is an o, p activator because of a strong electron donating resonance effect. inductive effect atom. B. The methoxy group, -OCHs, is an o, p director because of a strong electron withdrawing C. The methoxy group, -OCHs, is an o, p activator because the O atom is an electronegative donating resonance effect) and (The methoxy group, -OCHs, is an o, p activator E. Statements (The methoxy group, -OCH3, is an o, p activator because of a strong electron D. Both statements (The methoxy group, -OCH, is an o, p activator because of a strong electron donating resonance effect) because the O atom is an electronegative atom) are true. of a strong electron donating resonance effect), (The methoxy group, -OCH3, is an o, p director because of a trong electron withdrawing inductive effect), and (The methoxy group,-OCHs, is an o, p activator because the O atom is an electronegative atom) are all true statements.

Explanation / Answer

41. What is the missing reagent in the reaction below? A. NaBH B. H2NNH2, KOH C.

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