a) Cyclopentene and cyclopentane
Interpretation:
A simple chemical test to distinguish between cyclopentene and cyclopentane is to be given. How to perform the test and observations made in the test are also to be stated.
Concept introduction:
To give:
A simple chemical test to distinguish between cyclopentene and cyclopentane. Further to state how to perform the test and to explain the observations.
b) 2-Hexene and benzene
Interpretation:
A simple chemical test to distinguish between 2-hexene and benzene is to be given. How to perform the test and observations made in the test are also to be stated.
Concept introduction:
Alkenes decolorize bromine as they react with bromine to give dibromoderivatives.
To give:
A simple chemical test to distinguish between 2-hexene and benzene. Further to state how to perform the test and to explain the observations.
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Chapter 8 Solutions
Organic Chemistry
- This question is about the chemistry of alkenes, which are unsaturated hydrocarbons. (a) State what is meant by the term unsaturated as applied to a hydrocarbon. (1) (b) An organic compound, X, is an unsaturated hydrocarbon with molecular formula CH₂. (i) Draw the displayed formulae and give the names of two molecules with molecular formula C₂H, which are E/Z isomers. (3) Isomer 1 Isomer 2 Name: Name:arrow_forward(a) What structural feature is associated with each type of hydrocarbon: alkane, cycloalkane, alkene, and alkyne?(b) Give the general formula for each type.(c) Which hydrocarbons are considered saturated?arrow_forwardA certain hydrocarbon has a molecular formula of C5H8. Which of the following is not a structural possibility for this hydrocarbon? (a) It is a cycloalkane. (b) It contains one ring and one double bond. (c) It contains two double bonds and no rings. (d) It is an alkyne.arrow_forward
- (iii) In the presence of a suitable catalyst, 2-methylpropene forms a mixture of dimers. Two of these dimers react with hydrogen to form * 2,2,4-trimethylpentane. Draw the skeletal formula for 2,2,4-trimethylpentane. Use this to draw the skeletal structure of one of the dimers formed from 2-methylpropene. 2,2,4-trimethylpentane Dimerarrow_forwardhow would you distinguish between the following pairs of compounds using simple chemical tests? Tell what you would do and what you would see. a) 1-butene and 2-butene and b) Hexane and 2-hexenearrow_forwardTRUE OR FALSE (a) A functional group is a group of atoms in an organic molecule that undergoes a predictable set of chemical reactions. (b) The functional group of an alcohol, an aldehyde, and a ketone have in common the fact that each contains a single oxygen atom. (c) A primary alcohol has one —OH group, a secondary alcohol has two —OH groups, and a tertiary alcohol has three —OH groups. (d) There are two alcohols with the molecular formula C3H8O. (e) There are three amines with the molecular formula C3H9N. (f) Aldehydes, ketones, carboxylic acids, and esters all contain a carbonyl group. (g) A compound with the molecular formula of C3H6O may be either an aldehyde, a ketone, or a carboxylic acid. (h) Bond angles about the carbonyl carbon of an aldehyde, a ketone, a carboxylic acid, and an ester are all approximately 109.5°. (i) The molecular formula of the smallest aldehyde is C3H6O, and that of the smallest ketone is also C3H6O. (j) The molecular formula of the smallest carboxylic…arrow_forward
- (B) Draw a structural diagram for each of the following organic compounds: (a) 2-ethyl-4-methyl-2-pentanol (b) 1,2-ethandiol (c) 1,3-dimethylbenzenearrow_forwardWrite the chemical formula and Lewis structure of the following, each of which contains five carbon atoms:(a) an alkane(b) an alkene(c) an alkynearrow_forwardThe following names are incorrect. Write the structural formula that agrees with the apparent name, and then write the correct name of the compound.(a) 2-Ethylbutane(b) 2-Isopropyl-2-methylpentane(c) 5-Ethyl-1,1-methylcyclopentane(d) 3-Ethyl-3,5,5-trimethylhexane(e) 1,2-Dimethyl-4-ethylcyclohexane(f) 2,4-Diethylpentane(g) 5,5,6,6-Methyl-7,7-ethyldecanearrow_forward
- A certain hydrocarbon has a molecular formula of C5H8. Which of the following is not a structural possibility for this hydrocarbon: (d) It contains an alkyne O It contains one ring and one double bond (c) It contains two double bonds and no rings O (b) It contains one ring and no double bondsarrow_forwardGive the IUPAC names of structures containing two carbon atoms for the following classes of compounds: (a) alkene: (b) alkyne: (c) alkyl halide: d) alcohol:arrow_forwardDo not write it out free handed. Please ensure it legible.arrow_forward
- Chemistry: The Molecular ScienceChemistryISBN:9781285199047Author:John W. Moore, Conrad L. StanitskiPublisher:Cengage Learning