(a)
Interpretation:
The approximate boiling point of ethyl benzene is to be stated.
Concept introduction:
Boiling point of benzene is
(b)
Interpretation:
The approximate boiling point of propyl benzene is to be stated.
Concept introduction:
Boiling point of benzene is
(c)
Interpretation:
The approximate boiling point of
Concept introduction:
Boiling point of benzene is
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ORGANIC CHEMISTRY SAPLING ACCESS + ETEX
- Which of the following has the highest boiling point, ammonia, water, or methyl ethyl ketone and why?arrow_forwardTRUE OR FALSE (a) Both ethylene and acetylene are planar molecules. (b) An alkene in which each carbon of the double bond has two different groups bonded to it will show cis-trans isomerism. (c) Cis-trans isomers have the same molecular formula but a different connectivity of their atoms. (d) Cis-2-butene and trans -2-butene can be interconverted by rotation about the carbon–carbon double bond. (e) Cis-trans isomerism is possible only among appropriately substituted alkenes. (f) Both 2-hexene and 3-hexene can exist as pairs of cis-trans isomers. (g) Cyclohexene can exist as a pair of cis-trans isomers. (h) 1-Chloropropene can exist as a pair of cis-trans isomers.arrow_forward(b) NABH, CH3 COCH,CH3 CH3CH2OH (c)arrow_forward
- Draw the structural formulas for the following compounds. Include all the bonds to hydrogen atoms. Be sure to answer both parts. (a) 1,2,4-trimethylbenzene: (b) chlorobenzene:arrow_forward(4) Write the structure of the following compounds from their IUPAC names. (a) ethanamide (b) methylethanoate (c) propanoic acid (d) 2-butanone (5) Write the structure of the following ethers and amines from their common names (a) methyl propyl (b) trimethylamine (6) Decide whether the following alcohols are polar or nonpolar (a) CH3CH2CH2CH2CH2CH2CH2OH (b) CH3CH2OHarrow_forwardArrange the following compound groups in the increasing order of their property indicated: Propanol, Propane, Propanal (boiling point)arrow_forward
- In each pair of compounds, select the one with the higher boiling point. (a) Acetaldehyde or ethanol (b) Acetone or 3-pentanone (c) Butanal or butane (d) Butanone or 2-butanolarrow_forward(a) A phenyl group has the molecular formula CH- and is represented by the symbol Bn. True False (b) Para substituents occupy adjacent carbons on a benzene ring. (c) True False (e) 3-Bromobenzoic acid can be separated into cis and trans isomers. True O False (d) 1-Phenylcyclohexene is a planar molecule. True False Benzene, naphthalene, and phenanthrene are polynuclear aromatic hydrocarbons (PAHs). Truearrow_forwardWrite Lewis structures and describe the molecular geometry at each carbon atom in the following compounds:(a) cis-3-hexene(b) cis-1-chloro-2-bromoethene(c) 2-pentyne(d) trans-6-ethyl-7-methyl-2-octenearrow_forward
- Explain why each of the following alkenes is stable or unstable.(a) 1,2-dimethylcyclopentene (b) trans-1,2-dimethylcyclopentene(c) trans-3,4-dimethylcyclopentenearrow_forwardProvide IUPAC names for the following compounds. (a) (CH3)2СHCH,СH; (b) CНз — С (CHз)2 — СH3 CH, CH,CH, CH,CH, (c) CH,CH,CH,CH–CH(CH,), (d) CH,—СH—CH,—CH—СH, -arrow_forward(a) What is the standard enthalpy of reaction for the reaction of 1.00 mol of propene with 1.00 mol of hydrogen to yield 1.00 mol of propane. (All gas phase) (b) What is the standard entropy change for the reaction? (c) What is the standard free energy change for the reaction carried out at 400 K? (You cannot use ∆Gfo data from the appendix). (d) Is the reaction spontaneous? (a) (b) (c) (d)arrow_forward
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