23) Answer- NO2+
The electrophile is the nitronium ion. This is formed by reaction between the nitric acid and the sulphuric acid.
Question 23 (2 points) Identify the electrophile in the nitration of benzene reaction. oa) NO2 ob)...
Question 9 Identify the electrophile in the nitration of benzene reaction. a) NO2+ b) NO3+ c) NO2 d) HNO3 Question 10 Which of the marked hydrogens is most acidic?
Question 21 (2 points) Which one of the following dienophiles is least reactive in the Diels-Alder reaction? OCH ОСН, Нco. IV a) b) III Oc)!! d) IV Question 22 (2 points) Which of the molecules below would be the expected product for the hydrogenation of the following alkene with Na and liq. NH3? Na NH v III IV a) Ob) II Oc) d) v Question 23 (2 points) Identify the final product for the following reaction. 1. BH3, THE 2....
what is the active electrophile in the nitration of benzene? Explain reasoning! QUESTION 10 The active electrophile in the nitration of benzene is: O a. HNO3 b. ut O c. +NO2 d. NO3 e. NO2
What electrophile adds to benzene when it undergoes nitration? O NO3 O HNO3 O NO O +NO2 The major product(s), C, of the following reaction, would be: CI SO3 H2SO4 CI CI CI SO,H & CI CI HO3s CI SO3H - II Equal amounts of I and II O! O II O Equal amounts of I and III
Question 7 (2 points) Which of the following compounds will undergo the fastest Sn1 reaction? Br Br Br Br III IV a) III Ob) 11 O civ d) Question 8 (2 points) Identify the electrophile in the nitration of benzene reaction. a) NO b) HNO3 c) NO d) NO
Question 1 (10 points) Which molecules at least one polar bond? OA (CF) OB(CH,O) Oc(N,0) OD (NH3) DE(CHCI3) OF(NO2) Question 2 (10 points) Which molecules have a partial negative charge on a nitrogen atom? OA (CF) DB (CHO) Oc(N2O) OD (NH3) OE (CHC13) OF(NO2) Question 3 (10 points) . I 1 1 lo . o Which molecules shown are polar? OA (CF) CB (CHO) Oc(N₂O) Do(NH3) JE (CHC13) OF (NO₂)
Question 43 (2 points) A triple bond is composed of Oa) Two sigma and one pi bond ob) Three sigma bonds Oc) Three pi bonds od) One sigma and two pi bonds Question 44 (2 points) Identify the major product for the following reaction. (CH) CHCH.C=CH HO, H2SO4 HgSO4 OH III IV Oa) IV ob) Oc) II od) III
Question 1 (10 points) Which molecules at least one polar bond? OA (CF4) OB(CH20) Oc(N2O) OD (NH3) OE (CHC13) OF(NO2) Question 2 (10.
Question 23 (2 points) Predict the major product for the following reaction. CH CH3CI AICI: 1. KMnO4/-OH 2. H30* ? AICI: OH OH 07 ОН - 11 IV a) 1 Ob) IV Oc) III d) II Question 24 (2 points) What is the product of the reaction below? ОН PCC ОН I II ОН III IV O a) 11 Ob) III Oc) IV Od)
Question 7 (2 points) A compound with a molecular formula of C10H1202 has the following TH NMR spectrum. Which of the following structures is consistent with this spectrum? OCH CH.CH CH,CH.CH 1 OOH OH CH,CH,CH, CH2CH.CH IV Oa) III Ob) IV Oc) 11 od) Question 8 (2 points) Predict the product(s) for the following reaction: NH, 14H NH $ NH2 Oa) I and II ob) I, II and III Oc) III and I od) II and III