ch of the following could be antiaromatic (assuming sp² hybridization)? : 0 I-Z: III IV A....
4. Which of the following could be antiaromatic (assuming sp hybridization)? A. III B. II C. IV D. E. None 5. Which one of the following is nonaromatic? IV A IV C. D. II E None 6. Which is the correct bond order for the C-C bonds in benzene? III IV A. II B. 1 CN D. E None
please help! 4. Which of the following could be antiaromatic (assuming sp' hybridization)? A. IV B. I C. III D. II E. None I III IV A. IV B. I c. II D. III E. None 6. Which is the correct bond order for the C-C bonds in benzene? A. III B. C. V D. II E. None 2
5. Which one of the following is nonaromatic? III IV I II A. IV B. I C. II D. III E. None 6. Which is the correct bond order for the C-C bonds in benzene? 1.0 20 1.25 1.75 1.5 1.5 20 10 A. III B. C. IV D. II E. None
which of the following is/are the most common hybridization/s for the beryllium atom? I. sp II. sp^3d III. sp^3 IV. sp^2 V. sp^3d^2 A I, III, IV B I, III C II, V D I E IV
Which of the following compounds would you expect to be antiaromatic? (i) cyclooctatetraene (ii) 1,3-cyclooctadiene (iii) cyclooctatetraenyl dianion (iv) 1-ethenylcyclooctatetraene (v) 1,3,5,7-octatetraene Select one: a. i only b. i, ii, iv and v only c. iii only d. i and iv only e. all the above From my working I found i, ii, iv, and v to be non aromatic and iii to be aromatic. Is non aromatic the same as antiaromatic?
answer all 34. What is the hybridization of the phosphorus atom in PC13? a. sp b. sp c. sp d. sp'd e sp'd c. 35. What hybridization change does the carbon atom undergo in the combustion of methane? CHa() +202g) CO(g)+2H20() Copyright Cengage Leaming. Powered by Cognero. Page 7 Name: Class Date d sp sp bspp C. sp + sp d. sp +sp e. none 36. How many sigma and pi bonds are present in H2CO? a. 1 sigma bond...
27. What is the hybridization of the atoms in squares from left to right? a sp?sp?sp b. sp spl sp csp? spsp d. sp sp? sp 28. Predict the major product of the following reaction? Colinde olmal 29. Which of the following can act as a Lewis base? a. I and IV b. II and III C. I and III d. Il and IV 30. What is the most stable structure of trans-1,4-dimethylcyclohexane
30) Which of the following is the most stable diene? L. IV. A)I B) C)III D)IV E) V 31) Which of the following is an aromatic hydrocarbon? IV -CH A)I B C)ID)IVE) V 32) Which of the following conjugated dienes will not react with a dieneophile in a Diels-Alder reaction? Π. IV A) I B)11 C)111 D) IVE) I and III 33) The conjugate acid of the compound shown below is B) aromatic D) antiaromatic. E) none of the above....
23. Predict the product for the following reaction. 1. CH,CH,CH,MgBr/ether 2. H,0 hororo A) 1 B) || C) III D) IV E) None of these 24. Which one of the following compound is nonaromatic?
CH=CHCH.CH H2 -> ? Pd/C I. CECCH2CH3 IV. CH=CHCH2CH3 II. CH=CHCH2CH CH CH, CH2CH3 V. CH=CHCH2CH3 III. AT B) II C) III D) IV E) V