Concept explainers
(a)
Interpretation: A cyclic compound that is an isomer of trans-2-butene needs to be drawn.
Concept Introduction : Structural isomers have the same molecular formula. The bonding pattern and the arrangement of the atoms are different in different isomers.
(a)
Answer to Problem 49E
Explanation of Solution
The formula of trans-2-butane is C4H8. The cyclic compounds that is an isomer of trans-2-butene are as follows:
(b)
Interpretation: An ester that is an isomer of propanoic acid needs to be drawn.
Concept Introduction : Structural isomers have the same molecular formula. The bonding pattern and the arrangement of the atoms are different in different isomers.
(b)
Answer to Problem 49E
Methyl ethanoate ethyl methanoate
Explanation of Solution
The molecular formula of propanoic acid is
Esters which are isomers of propanoic acid are as follows:
Methyl ethanoate ethyl methanoate
(c)
Interpretation: A
Concept Introduction : Structural isomers have the same molecular formula. The bonding pattern and the arrangement of the atoms are different in different isomers.
(c)
Answer to Problem 49E
2-butanone
Explanation of Solution
The molecular formula of butanal is
A ketone that is an isomer of butanal is as follows:
2-butanone
(d)
Interpretation: Secondary
Concept Introduction : Structural isomers have the same molecular formula. The bonding pattern and the arrangement of the atoms are different in different isomers.
(d)
Answer to Problem 49E
Methyl-propyl-amine Diethyl-amine Isopropyl-methyl-amine
Explanation of Solution
Secondary amine that is an isomer of butylamine are,
Methyl-propyl-amine Diethyl-amine Isopropyl-methyl-amine
(e)
Interpretation: A tertiary amine that is an isomer of butylamine needs to be drawn.
Concept Introduction : Structural isomers have the same molecular formula. The bonding pattern and the arrangement of the atoms are different in different isomers.
(e)
Answer to Problem 49E
Ethyl-dimethyl-amine
Explanation of Solution
A tertiary amine that is an isomer of butylamine is as follows:
Ethyl-dimethyl-amine
(f)
Interpretation: An ether that is an isomer of 2-methyl-2-propanol needs to be drawn.
Concept Introduction : Structural isomers have the same molecular formula. The bonding pattern and the arrangement of the atoms are different in different isomers.
(f)
Answer to Problem 49E
2-Methyoxy-propane Ethoxy-ethane 1-Methoxy-propane
Explanation of Solution
The formula of 2-methyl-2-propanol is
Ethers that are isomers of 2-methyl-2-propanol are as follows:
2-Methyoxy-propane Ethoxy-ethane 1-Methoxy-propane
(g)
Interpretation: A secondary alcohol that is an isomer of 2-methyl-2-propanol needs to be drawn.
Concept Introduction : Structural isomers have the same molecular formula. The bonding pattern and the arrangement of the atoms are different in different isomers.
(g)
Answer to Problem 49E
2-butanol
Explanation of Solution
The formula of 2-methyl-2-propanol is
Secondary alcohol that is an isomer of 2-methyl-2-propanol is as follows:
2-butanol
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Chapter 21 Solutions
Chemical Principles
- 1. Which of the following DOES NOT belong to the group? * A. Amine B. Nitrile C. Amide D. Acyl Halide 2. What is the IUPAC name of the compound? (Please refer to the first image attached.) A. 4,4-Dibromobutane B. 1,1-Dibromobutane C. 1-Butyl-2,2-dibromine D. Butyl-2,2-Dibromobutane E. None of the choices 3. What is the IUPAC name of the compound (Please refer to the second image attached.) A. 1-Cyclohexyl-1-cyclopropylcyclohexane B. 1-Cyclopropyl-1-cyclohexylcyclohexane C. Cycloropyl-1,1-dicyclohexane D. 1,2-Dicyclohexyl-1-cyclopropane E. None of the choicesarrow_forwardPredict the functional group of the product for the following reaction. a. ester b. carboxylic acid c. hemiacetal d. acetal e. amidearrow_forwardIdentify the organic functional groups and reaction type for the following reaction.The reactant is a(n)a. secondary amideb. carboxylic acidc. tertiary amided. aromatice. ketonef. primary amideg. aldehydeh. amineThe products are a(n)a. carboxylate ion and amineb. ketone and aminec. carboxylic acid and amided. carboxylic acid and alcohole. ester and aminef. aldehyde and amineg. carboxylic acid and ammonium ionThe reaction type isa. hydrolysis (in acid)b. amide synthesisc. hydrationd. esterificatione. dehydrationf. hydrolysis (in base)arrow_forward
- 2. This term means without water. a. carbonyl b. hydroxyl c. anhydride d. carboyl 3. Compounds containing the cyano group. a. nitriles b. amides c. amines d. nitrates 4. General formula of a Grignard reagent. a. RCOX b. RCN c. RCOOH d. RMgX 5. Organic derivatives of ammonia, derived from replacing one, two or all three hydrogens of the ammonia. a. amide b. amine c. cyan d. nitro 6. Sulfur analogs of alcohols where the O in R-OH is replaced by sulfur. a. Thioesters b. Thiols c. Thioaldehydes d. Thioethers 7. General formula of alkanes. a. CnH2n b. CnH2n+2 c. CnH2n-2 d. R-OH 8. General formula of alkenes. a. CnH2n b. CnH2n+2 c. CnH2n-2 d. R-OH 9. General formula of alkynes. a. CnH2n b. CnH2n+2 c. CnH2n-2 d. R-OH 10. Which is soluble in water? a. methanol b. ethanol c. propanol d. all of the above 11. Which substance will have the highest boiling point? a. methanol b. ethanol c. propanol d. butanol 12. Which property will increase the boiling point? a. electronegativity…arrow_forwardWhich functional group is not present in the following compound? 'NH O A. ether B. ketone O C. ester O D. amidearrow_forward1. The following molecule contains the functional groups A. secondary amine, secondary alcohol, ketone, carboxylic ester B. amide, primary alcohol, aldehyde, carboxylic acid C. secondary amine, two secondary alcohols, and two ketones D. primary amine, secondary alcohol, ketone, and carboxylic acid The following molecule contains the functional groups 2. A. primary alcohol and primary amine C. secondary alcohol and primary amine 3. A. alkene and secondary alcohol C. ketone and seconary alcohol The following molecule contains the functional groups B. ether and ketone D. ether and alkene 4. The following molecule A. primary amine and ketone C. secondary amine and alkyne NH₂ contains the functional groups B. secondary amine and alkene D. secondary amine and ketone ОН OH B. secondary alcohol and secondary amine D. primary alcohol and secondary amine NH₂ OHarrow_forward
- RCOOH + Sncl2/NH3 = ---------------------. a. Cyanides b. Amine c. Amide d. Niltrilearrow_forwardPredict the functional group of the product for the following reaction. a. amide b. hemiacetal c. carboxylic acid d. acetal e. ester f. aldehyde g. alcoholarrow_forwardWhich of the following is a tertiary-amine? *A. 1-methylcyclohexylamineB. triethylamineC. tert-butylamineD. N-methylanilinearrow_forward
- Esters are produced by a process which can be characterized as a. a condensation reaction. b. a hydrolysis reaction. c. the reaction of alcohols with carboxylic acids. d. both a hydrolysis reaction and the reaction of alcohols with carboxylic acids. e. both a condensation reaction and the reaction of alcohols with carboxylic acids.arrow_forwardketone a. carbonyl group carboxylic acid b. hydroxyl group 3. alkane c. general formula R3N 4. alkyne d. triple bond 5. ester e. smell of fruits 6. alcohol f. fuels amine g. vinegar 8. hydrocarbon h. carbon and hydrogenarrow_forwardMatch the following molecules with the name of their functional group. A. Amine B. Amide C. Alcohol D.Ether E. Aldehyde F. Ketone G.Carboxcylic acid E.Ester Thanks.arrow_forward
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