問題詳情
11. Which of these statements about benzene is true?
(A) All carbon atoms in benzene are sp3 hybridized.
(B) Benzene contains only π bonds between C atoms.
(C) The bond order of each C—C bond in benzene is 1.5.
(D) Benzene is an example of a molecule that displays ionic bonding.
(E) All of these statements are false.
(A) All carbon atoms in benzene are sp3 hybridized.
(B) Benzene contains only π bonds between C atoms.
(C) The bond order of each C—C bond in benzene is 1.5.
(D) Benzene is an example of a molecule that displays ionic bonding.
(E) All of these statements are false.
參考答案
無參考答案
內容推薦
- Calculate the molality of C2H5OH in a water solution that is prepared by mixing 0 mL of C2H5OH
- A solution containing 26g of Mg(NO3)2 per liter has a density of 114 g/mL. The molarity ofth
- Which of the following concentration measures will change in value as the temperature of asolutio
- CaCl2(s)+2H2O(g)⇌ CaCl2 •2H2O(s) Consider the reaction:The equilibrium constant for the reaction
- An unknown substance dissolves readily in water but not in benzene (a nonpolar solvent).Molecules
- Consider the following rate law: Rate = k [A]n[B]m.How are the exponents n and m determined?(A) B
- 圖(十一)為一直角柱，其中兩底面為全等的梯形，其面積和為 16；四個側面均為長方形，其面積和為 45。若此直角柱的體積為24，則所有邊的長度和為何？ (A) 30(B) 36(C) 42(D)
- 【題組】“Look! Isn’t that the actor in Spider Man? Wow! He is so handsome, and his girlfriend is sobe
- 【題組】Which is right?(A) A is Green Hotel. (B) B is train station.(C) C is flower shop. (D) D is Ch
- 下列四個多項式，哪一個是33x +7的倍式？(A) 33x2-49(B) 332x2+49(C) 33x2+7 x(D) 33x2+14 x
內容推薦
- How many oxygen atoms are there in one formula unit of Ca3(PO4)2?(A)2(B)4 (C)6(D)8 (E) none of th
- Which one of the following descriptions for microelectrodes is incorrect?(A) The dimensions of s
- Which of the species below, when dissolved in H2O, will not produce a basic solution?(A) SO2 (B)
- Which one of the following descriptions about GC (gas chromatography) is correct?(A) In GC, the
- Which one of the following detectors is not used for HPLC (high-performance liquidchromatography
- The pH meter is widely used for measuring the H+concentrations in the solutions. Which one ofthe
- Which one of the following descriptions about CE (capillary electrophoresis) is incorrect?(A) El
- Atomic spectrometer is widely applied for the analysis of various elements. Which one of thefoll
- A method of separation that employs a system with two phases of matter, a mobile phase and astat
- A solution is also called a .(A) homogeneous mixture (B) heterogeneous mixture(C)
- Which one of the following descriptions for the Beer’s law is incorrect?(A) Beer’s law is ordina
- Willy: What happened to you? You look terrible.Sam: I woke up so late that I missed the bus. Tha
- 【題組】When the writer went back to see the river, what did she find?(A) The pollution in the river
- Buffer solutions are very important for many analytical applications. Which one of the following
- Which one of the following apparatuses is not used for measurement of volume?(A) Volumetric (B)
- Ben: Dad, that toy car looks great. Can I have one?Dad: How much is it?Ben: It costs $1000.Dad:
- John: Who is the girl you talked to just now? William: You mean the one ______ is wearing red?(A
- A:Hey, did you see the boy and the dog _____ were taking a walk by the pond? B: Not at all.(A)
- Which of the following sentences is TRUE?(A) Bill bought the house where his family used to live
- My best friend is Kate. We 21 each other since we were in elementary school. Although we come from
- I grew up _____ to Michael’s songs. His songs are really touching. (A) listen (B) to listen (C)
- 計算 ( − 1 )3 × ( − 2 )4 ÷ ( − 3 )3之值為何？(A)-8/3(B)-16/27(C)16/81(D)16/27
- Olivia will hold her wedding at a church ______ was built 500 years ago. (A) what (B) who (C) wh
- 因式分解( 6x2 − 3x ) − 2( 7x − 5 )，可得下列哪一個結果？(A) ( 6x − 5 ) ( x − 2 )(B) ( 6x + 5 ) ( x + 2 )(C) ( 3x
- 25~27題 【題組】What do we know about the six people ?(A) They all said good things about the roof ga