Benzene has a hydroxyl group attached to the ring. True or False
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1) A phenol has a(n) ________ group attached to a benzene ring. hydroxyl carbonyl amino carboxyl 2) A homologous series of alcohols contains a different number of carbon atoms, but the same number of hydroxyl groups. only isomers. the same number of carbon atoms, but a different number of hydroxyl groups. the same number of carbon atoms and the same number of hydroxyl groups. 3) Alcohols and ethers have similar functional groups, yet they have very different properties. Discuss the...
Aniline contains which functional group attached to the benzene ring? -Methyl -Nitro -Amino -Ester
Dihydroxybenzenes are aromatic chemical compounds where two hydroxyl [-OH] groups are substituted onto a benzene ring. Draw the structure for the following: o-dihydroxybenzene – (3 points)
If a benzene ring has one -CF3 group as a substituent, will the next substituent add to the benzene ring in the ortho, meta, or para position? Select one: a. meta b. para only c. ortho or para d. ortho only e. cannot determine
If a benzene ring has one methyl group as a substituent, will the next substituent add to the benzene ring in the ortho, meta, or para position? Select one: a. para or meta b. para only c. meta only d. ortho only e. ortho or meta f. Ortho or para
Assume the functional groups below are attached to a benzene ring. Circle the functional groups that are activating. Put a triangle around those that are deactivating. Predict the directing effect of each group (either o,p or m). Do you see any trends? {-Br 4-CF3 OCH3 {NH2 & NH3 NO2 &-coh 10
Does an activating group or a deactivating group have stronger directing effects on a benzene ring?
When there is an electron-withdrawing group on a benzene ring (eg. compounds such as nitrobenzenebenzoic acid, acetophenone, etc, resonance structures can be drawn that indicate the positions on the benzene ring that are least nucleophilic (because they have a positive charge on the carbon at that position). Because these positions are much less nucleophilic, the substitution reaction will not occur here; instead, substitution will occur at the other position(s) on the ring. As a result, which position(s) are most nucleophilic...
91. Steroids with 17 beta ketone attached to methyl hydroxyl (COCH2OH) group are: A. Progesterone and estrone B. Norethindrone and ethinylestradiol C. Aldosterone and cortisol D. Estradiol and testosterone
(14) Question 1: Xylene contains which functional group attached to the benzene ring? a - methoxy b -amino c -methyl d -ester (22) Question 2: Reactions of aromatic compounds are: a- addition b- electrophilic aromatic substitution c- nucleophilic aromatic substitution d- reduction (24) Question 3: what is the percent of p character is an sp2 hybrid orbital? a- 66% b- 25% c- 33% d-75% (20) Question 4: Identify the compound below that can be drawn separately as both a cis...