Objective Questions
All objective questions for CHM 102
Questions (2006)
| # | Question | Topic | Actions |
|---|---|---|---|
| 1501 |
The reaction of a carboxylic acid with diazomethane (CH2N2) produces:
|
Carboxylic Acid Derivatives: Nomenclature, Synthesis, and Reactions | View |
| 1502 |
Which of the following compounds is an acid anhydride?
|
Carboxylic Acid Derivatives: Nomenclature, Synthesis, and Reactions | View |
| 1503 |
What is the product when an ester is treated with excess Grignard reagent (RMgX…
|
Carboxylic Acid Derivatives: Nomenclature, Synthesis, and Reactions | View |
| 1504 |
The conversion of a primary amide to a primary amine with one less carbon is ca…
|
Carboxylic Acid Derivatives: Nomenclature, Synthesis, and Reactions | View |
| 1505 |
What is the IUPAC name for acetic formic anhydride?
|
Carboxylic Acid Derivatives: Nomenclature, Synthesis, and Reactions | View |
| 1506 |
Which of the following is the best leaving group among these?
|
Carboxylic Acid Derivatives: Nomenclature, Synthesis, and Reactions | View |
| 1507 |
What is the product of the reaction of butyroyl chloride with excess ethylamine?
|
Carboxylic Acid Derivatives: Nomenclature, Synthesis, and Reactions | View |
| 1508 |
What is the common name for CH3-O-CH3?
|
General Chemistry II: Properties and Reactions of Ethers | View |
| 1509 |
What is the approximate bond angle around the oxygen atom in dimethyl ether?
|
General Chemistry II: Properties and Reactions of Ethers | View |
| 1510 |
Which of the following is the best method for preparing unsymmetrical ethers?
|
General Chemistry II: Properties and Reactions of Ethers | View |
| 1511 |
In the Williamson ether synthesis, which combination gives the best yield?
|
General Chemistry II: Properties and Reactions of Ethers | View |
| 1512 |
What is the product of the reaction of sodium ethoxide (CH3CH2ONa) with methyl …
|
General Chemistry II: Properties and Reactions of Ethers | View |
| 1513 |
Which reagent is commonly used to deprotonate an alcohol to form an alkoxide fo…
|
General Chemistry II: Properties and Reactions of Ethers | View |
| 1514 |
What is the industrial preparation method for diethyl ether?
|
General Chemistry II: Properties and Reactions of Ethers | View |
| 1515 |
What is the major product when ethyl ether is heated with excess concentrated H…
|
General Chemistry II: Properties and Reactions of Ethers | View |
| 1516 |
Which acid is most effective for cleaving ethers?
|
General Chemistry II: Properties and Reactions of Ethers | View |
| 1517 |
What is a cyclic ether with a three-membered ring called?
|
General Chemistry II: Properties and Reactions of Ethers | View |
| 1518 |
What is the common name for oxirane?
|
General Chemistry II: Properties and Reactions of Ethers | View |
| 1519 |
How is ethylene oxide industrially prepared?
|
General Chemistry II: Properties and Reactions of Ethers | View |
| 1520 |
What is the product of acid-catalyzed ring-opening of an epoxide with water?
|
General Chemistry II: Properties and Reactions of Ethers | View |
| 1521 |
Why are epoxides much more reactive than acyclic ethers?
|
General Chemistry II: Properties and Reactions of Ethers | View |
| 1522 |
What is the product of the reaction of epoxide with HBr (anhydrous)?
|
General Chemistry II: Properties and Reactions of Ethers | View |
| 1523 |
What is a crown ether?
|
General Chemistry II: Properties and Reactions of Ethers | View |
| 1524 |
Which of the following is a common cyclic ether solvent?
|
General Chemistry II: Properties and Reactions of Ethers | View |
| 1525 |
What is the product when a Grignard reagent reacts with ethylene oxide, followe…
|
General Chemistry II: Properties and Reactions of Ethers | View |
| 1526 |
In the Williamson ether synthesis, what byproduct is formed?
|
General Chemistry II: Properties and Reactions of Ethers | View |
| 1527 |
What is the IUPAC name for CH3CH2OCH2CH3?
|
General Chemistry II: Properties and Reactions of Ethers | View |
| 1528 |
What is the IUPAC name for CH3OCH2CH2CH3?
|
General Chemistry II: Properties and Reactions of Ethers | View |
| 1529 |
Why do ethers have lower boiling points than alcohols of similar molecular weig…
|
General Chemistry II: Properties and Reactions of Ethers | View |
| 1530 |
Are ethers generally soluble in water?
|
General Chemistry II: Properties and Reactions of Ethers | View |
| 1531 |
Which of the following is a significant hazard of many ethers?
|
General Chemistry II: Properties and Reactions of Ethers | View |
| 1532 |
What type of hybridization does the oxygen atom have in an ether?
|
General Chemistry II: Properties and Reactions of Ethers | View |
| 1533 |
What is the product of the reaction of methyl tert-butyl ether (MTBE) with exce…
|
General Chemistry II: Properties and Reactions of Ethers | View |
| 1534 |
What is the name for the cyclic ether with a 6-membered ring containing two oxy…
|
General Chemistry II: Properties and Reactions of Ethers | View |
| 1535 |
What is the leaving group in the Williamson ether synthesis when using an alkyl…
|
General Chemistry II: Properties and Reactions of Ethers | View |
| 1536 |
Which of the following statements about ethers is FALSE?
|
General Chemistry II: Properties and Reactions of Ethers | View |
| 1537 |
What is the product of the reduction of an epoxide with LiAlH4?
|
General Chemistry II: Properties and Reactions of Ethers | View |
| 1538 |
What is the common name for CH2=CH-O-CH3?
|
General Chemistry II: Properties and Reactions of Ethers | View |
| 1539 |
What is the chemical formula of 18-crown-6?
|
General Chemistry II: Properties and Reactions of Ethers | View |
| 1540 |
What is the major product when tert-butyl methyl ether is treated with excess H…
|
General Chemistry II: Properties and Reactions of Ethers | View |
| 1541 |
Which of the following is a method for preparing epoxides from alkenes?
|
General Chemistry II: Properties and Reactions of Ethers | View |
| 1542 |
What is the product when cyclohexene is treated with mCPBA?
|
General Chemistry II: Properties and Reactions of Ethers | View |
| 1543 |
In the ring-opening of an epoxide under basic conditions (e.g., alkoxide), the …
|
General Chemistry II: Properties and Reactions of Ethers | View |
| 1544 |
What is the name of the reaction that converts a halohydrin to an epoxide?
|
General Chemistry II: Properties and Reactions of Ethers | View |
| 1545 |
What is the product of the reaction of epoxide with ammonia?
|
General Chemistry II: Properties and Reactions of Ethers | View |
| 1546 |
Why is tetrahydrofuran (THF) a good solvent for Grignard reagents?
|
General Chemistry II: Properties and Reactions of Ethers | View |
| 1547 |
What is the IUPAC name for the compound with structure CH3-O-C6H5?
|
General Chemistry II: Properties and Reactions of Ethers | View |
| 1548 |
Which of the following is a polar aprotic solvent commonly used in SN2 reaction…
|
General Chemistry II: Properties and Reactions of Ethers | View |
| 1549 |
What is the product of the reaction of sodium phenoxide (C6H5O-Na+) with methyl…
|
General Chemistry II: Properties and Reactions of Ethers | View |
| 1550 |
What is the name for a three-membered ring containing one oxygen atom?
|
General Chemistry II: Properties and Reactions of Ethers | View |
| 1551 |
What is the name for a 4-membered cyclic ether?
|
General Chemistry II: Properties and Reactions of Ethers | View |
| 1552 |
What is the name for a 5-membered cyclic ether?
|
General Chemistry II: Properties and Reactions of Ethers | View |
| 1553 |
What is the name for a 6-membered cyclic ether?
|
General Chemistry II: Properties and Reactions of Ethers | View |
| 1554 |
What is the product of the reaction of silver oxide (Ag2O) with an alkyl halide…
|
General Chemistry II: Properties and Reactions of Ethers | View |
| 1555 |
Which of the following best describes the odor of many ethers?
|
General Chemistry II: Properties and Reactions of Ethers | View |
| 1556 |
What is the major product when an epoxide is treated with a Grignard reagent?
|
General Chemistry II: Properties and Reactions of Ethers | View |
| 1557 |
Which of the following is NOT a typical property of ethers?
|
General Chemistry II: Properties and Reactions of Ethers | View |
| 1558 |
What is the common name for the cyclic ether dioxane?
|
General Chemistry II: Properties and Reactions of Ethers | View |
| 1559 |
In the acidic cleavage of an unsymmetrical ether like CH3OCH2CH3 with HI, which…
|
General Chemistry II: Properties and Reactions of Ethers | View |
| 1560 |
What is the hybridization of the carbon atoms in the ring of an epoxide?
|
General Chemistry II: Properties and Reactions of Ethers | View |
| 1561 |
Which of the following groups shows a negative inductive effect (-I effect)?
|
Introductory Reaction Mechanism and Kinetics | View |
| 1562 |
Which of the following groups exhibits a positive inductive effect (+I effect)?
|
Introductory Reaction Mechanism and Kinetics | View |
| 1563 |
What is the electromeric effect?
|
Introductory Reaction Mechanism and Kinetics | View |
| 1564 |
Which of the following statements about the electromeric effect is TRUE?
|
Introductory Reaction Mechanism and Kinetics | View |
| 1565 |
What is resonance (mesomeric) effect?
|
Introductory Reaction Mechanism and Kinetics | View |
| 1566 |
What type of double bonds are said to be conjugated?
|
Introductory Reaction Mechanism and Kinetics | View |
| 1567 |
Which of the following is an example of a conjugated system?
|
Introductory Reaction Mechanism and Kinetics | View |
| 1568 |
What is the correct order of stability for free radicals?
|
Introductory Reaction Mechanism and Kinetics | View |
| 1569 |
What is a carbocation?
|
Introductory Reaction Mechanism and Kinetics | View |
| 1570 |
What is the correct order of stability for carbocations?
|
Introductory Reaction Mechanism and Kinetics | View |
| 1571 |
What is a carbanion?
|
Introductory Reaction Mechanism and Kinetics | View |
| 1572 |
What is the correct order of stability for carbanions?
|
Introductory Reaction Mechanism and Kinetics | View |
| 1573 |
Which of the following species is the most stable?
|
Introductory Reaction Mechanism and Kinetics | View |
| 1574 |
What type of arrow is used to show the shift of a pair of electrons in resonanc…
|
Introductory Reaction Mechanism and Kinetics | View |
| 1575 |
What type of arrow is used to show the shift of a single electron?
|
Introductory Reaction Mechanism and Kinetics | View |
| 1576 |
In a polar covalent bond like H-Cl, where is the electron cloud displaced?
|
Introductory Reaction Mechanism and Kinetics | View |
| 1577 |
Which of the following best describes the inductive effect?
|
Introductory Reaction Mechanism and Kinetics | View |
| 1578 |
Which of the following is NOT a characteristic of the inductive effect?
|
Introductory Reaction Mechanism and Kinetics | View |
| 1579 |
What is the relative magnitude of +I effect among alkyl groups?
|
Introductory Reaction Mechanism and Kinetics | View |
| 1580 |
What happens to the electrons in a multiple bond during the electromeric effect?
|
Introductory Reaction Mechanism and Kinetics | View |
| 1581 |
Which of the following compounds contains isolated double bonds?
|
Introductory Reaction Mechanism and Kinetics | View |
| 1582 |
In resonance structures, which of the following remains fixed?
|
Introductory Reaction Mechanism and Kinetics | View |
| 1583 |
Which of the following is an example of a group with -I effect?
|
Introductory Reaction Mechanism and Kinetics | View |
| 1584 |
How can a carbanion be formed from a C-H bond?
|
Introductory Reaction Mechanism and Kinetics | View |
| 1585 |
What is the formal charge on a carbon atom in a carbocation?
|
Introductory Reaction Mechanism and Kinetics | View |
| 1586 |
What is the formal charge on a carbon atom in a carbanion?
|
Introductory Reaction Mechanism and Kinetics | View |
| 1587 |
Which of the following groups is electron-withdrawing by induction (-I) but ele…
|
Introductory Reaction Mechanism and Kinetics | View |
| 1588 |
Which of the following is the most stable carbocation?
|
Introductory Reaction Mechanism and Kinetics | View |
| 1589 |
Which of the following is the most stable free radical?
|
Introductory Reaction Mechanism and Kinetics | View |
| 1590 |
Which of the following is the most stable carbanion?
|
Introductory Reaction Mechanism and Kinetics | View |
| 1591 |
What type of bond cleavage produces free radicals?
|
Introductory Reaction Mechanism and Kinetics | View |
| 1592 |
What type of bond cleavage produces carbocations and carbanions?
|
Introductory Reaction Mechanism and Kinetics | View |
| 1593 |
In the resonance hybrid of 1,3-butadiene, what is the bond order between C2 and…
|
Introductory Reaction Mechanism and Kinetics | View |
| 1594 |
What does a double-headed arrow between resonance structures indicate?
|
Introductory Reaction Mechanism and Kinetics | View |
| 1595 |
What is the correct IUPAC name for the compound CH₃-O-CH₂-CH₂-CH₃?
|
Nomenclature and Functional Group Classes of Organic Compounds | View |
| 1596 |
According to the Bohr model, what is the energy of a photon emitted when an ele…
|
No topic | View |
| 1597 |
In column chromatography, which type of compound elutes first when using a nonp…
|
Isolation and Purification of Organic Compounds | View |
| 1598 |
What is the characteristic smell of lower molecular weight aldehydes?
|
Carbonyl Compounds | View |
| 1599 |
Which part of an IUPAC name indicates the number of carbons in the longest cont…
|
IUPAC Nomenclature | View |
| 1600 |
What information is provided by the suffix of an organic compound's name?
|
IUPAC Nomenclature | View |