Concept explainers
(a)
Interpretation:
The compound that can exist as a pair of cis-trans isomers is to be determined. The compounds having different molecular formulas are to be identified.
(b)
Interpretation:
The compound that can exist as a pair of cis-trans isomers is to be determined. The compounds having different molecular formula are to be identified.
(c)
Interpretation:
The compound that can exist as a pair of cis-trans isomers is to be determined. The compound having different molecular formula is to be identified.
(d)
Interpretation:
The compound that can exist as a pair of cis-trans isomers is to be determined. The compound having different molecular formula is to be identified.
(e)
Interpretation:
The compound that can exist as a pair of cis-trans isomers is to be determined. The compound having different molecular formula is to be identified.
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EBK INTRODUCTION TO CHEMISTRY
- Select those compounds that can be correctly called unsaturated and classify each one as an alkene or an alkyne: a.CH3CH2CH3f. b.CH3CH=CHCH3g. c.h.CH2=CHCH2CH3 d.i. e.arrow_forwardWhy are different conformations of an alkane not considered structural isomers?arrow_forward7. In which of the following pairs of alkanes are the two compounds isomers? A. hexane and 3-methylhexane B.2,4-dimethylhexane and 2,4-dimethylheptane C. 3-methylnonane and 3,4-dimethyloctane D. ethane and propanearrow_forward
- 1. Using the grignard reaction of alkanes what is the resulting alkane if the reactant is C4H9Br? a. ethane b. propane c. butane d. pentane 2. Using the grignard reaction of alkanes what is the resulting alkane if the reactant is C5H11F? a. ethane b. propane c. butane d. pentane 3. Using Cl2 in C2H4Cl2 will result in HCl and ______. a. C2H3Cl3 b. C2H4Cl3 c. C2H2Cl3 d. not posiblearrow_forwardA. ketones 0.3 3. Which cannot exist as a pair of cis-trans isomers? A. 2-octene B. 2-butene C. 1-butene D. 3-hexene E. none of thesearrow_forward4. Which of the following has isomeric forms?a. C2H3Clb. C2H5Clc. C2HCld. C2H4Cl2 5. Which of the following hydrocarbons always gives the same product when one of its hydrogen atoms is replaced by a chlorine atom.a. Hexaneb. Hex-1-enec. Cyclohexaned. Cyclohexenearrow_forward
- Which of the following is NOT a chain isomer of n-hexane? O a. 3-methylpentane O b. 2,2-dimethylbutane O c. methylcyclopentane O d. 2-methylpentanearrow_forwardWhich of the following can exist as cis-trans isomers? a. cyclohexane b. methylcyclohexane c. 1,1-dimethylcyclohexane d. 1,2-dimethylcyclohexanearrow_forwardHow many of the 18 Cg alkane constitutional isomers are named using the following base-chain names? a. Octane b. Heptane с. Нехаne d. Pentane How many of the nine C7 alkane constitutional isomers are named using the following base-chain names? а. Неptane b. Нехane c. Pentane d. Butanearrow_forward
- Which of the following compounds shows cis-trans isomerism? a. cyclopentene b. 2-hexene c. 1-butene d. 2-chloropropenearrow_forward13. Ethylethanoate and butanoic acid can be classified as A. positional isomers B. chain isomers C. functional isomers D. stereoisomers 14. Which of the following pairs are positional isomers A. trans-1,4-dichlorocyclohexane, cis-1,3-dichlorocyclopentane B. trans 1,4-dichlorocyclohexane, cis-1,4-dichlorocyclohexane C. 2-pentanol, Cyclopentanol D. 1,2-cycohexanediol, 1,3-cycohexanediol 15. Which of the following compounds will have zero dipole moment? A. cis-1,2-dibromoethylene B. 1,1-dibromoethylene C. trans-1,2-dibromoethylene D. all of these 16. Which of the following is not aromatic: A. cyclopentadienyl cation B. cyclopentadienyl anion C. Cyclopropenyl cation D. Cycloheptatrienyl cation 17. Which of the following compounds containing lone pair has the least tendency to donate its electrons? A. the lone pair in pyridine B. the lone pair in furan C. the lone pair in pyrole D. the lone pair in thiophenearrow_forwardIf a compound has two carbon-carbon triple bonds and one carbon-carbon double bond, what class of compounds is it? a. enediyne b. enetriyne C. eneyne d. dieneynearrow_forward
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