Which of the following will undergo chlorination most rapidly using Cl2, FeCl3?

Question

Which of the following will undergo chlorination most rapidly using Cl2, FeCl3? Toluene Nitrobenzene o-nitroacetophenone p-nitrobenzoic acid Which molecule is antiaromatic? The nitration of anisole: Proceeds more rapidly than the nitration of benzene and yields meta product as major. Proceeds more rapidly than the nitration of benzene and yields o, p-products as major. Proceeds more slowly than the nitration of benzene and yields meta product as major. Proceeds more slowly than the nitration of benzene and yields o, p-products as major. Proceeds at the same rate as the nitration of benzene and yields meta product as major. As the conjugation of a molecule decreases, which is true? The HOMO-LUMO gap decreases. Lambda max in UV increases The molecule obtains more stability The molecule get more reactive Which one is the best dienophile?

Explanation / Answer

5. a) toulene (because -CH3 is electron donating group.so that E.S.r TAKES Place easily than others)

6. answer d.

antiaromatic (having 4n Pi e-, plana atructure)

7. b.

because anisole of more reactive towards E.S.R .DUE TO PRESENCE OF -OCH3 group.and give o,p-group.

8. d) the molecule get more reactive.

9. b is the best dienophile. Because it is having with drawing groups(-CO-)

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