Concept explainers
a) C8H?O2, has two rings and one double bond.
Interpretation:
The number of hydrogens present in C8H?O2 which has two rings and one double bond.
Concept introduction:
Each ring or a double bond in a molecule corresponds to a loss of two hydrogens from the formula of
To determine:
The number of hydrogens present in C8H?O2 having two rings and one double bond.
b) C7H?N has two double bonds.
Interpretation:
The number of hydrogens present in C7H?N which has two double bonds.
Concept introduction:
Each ring or a double bond in a molecule corresponds to a loss of two hydrogens from the formula of alkane. Hence two hydrogens are to be added for each to arrive at the molecular formula of the parent alkane. Further, If the molecular formula of a compound contains halogens, oxygen and/or nitrogen, then the number of halogens is to be subtracted from the number of hydrogens, the number of oxygens to be ignored and number of the nitrogens is to be added to the number of hydrogens, in arriving the number of hydrogens.
To determine:
The number of hydrogens present in C7H?N having two double bonds.
c) C9H?NO, has one ring and three double bonds.
Interpretation:
The number of hydrogens present in C9H?NO which has one ring and three double bonds.
Concept introduction:
Each ring or a double bond in a molecule corresponds to a loss of two hydrogens from the formula of alkane. Hence two hydrogens are to be added for each to arrive at the molecular formula of the parent alkane. Further, If the molecular formula of a compound contains halogens, oxygen and/or nitrogen, then the number of halogens is to be subtracted from the number of hydrogens, the number of oxygens to be ignored and number of the nitrogens is to be added to the number of hydrogens, in arriving the number of hydrogens.
To determine:
The number of hydrogens present in C9H?NO having one ring and three double bonds.
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Chapter 7 Solutions
Organic Chemistry
- (a) The compound given below had the following IUPAC name and structural formula dibromocyclopentane C3H6CHBrCHBr (i) What type of isomerism is possible in the organic compound? (ii) Draw all the pairs of possible isomers and name them.arrow_forwardA 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_forwardCircle and name the functional groups:arrow_forward
- (b) Draw structural formulas of at least two alkynes of each molecular formula.(1) C6H10arrow_forwardDraw structures that fit each description and name the functional group in each molecule: (a) two constitutional isomers with molecular formula C5H10O that contain different functional groups; (b) two constitutional isomers with molecular formula C6H10O that contain the same functional group.arrow_forwardThis 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
- what does a benzene C6H6 look like in a model? Is it linear, trigonal planar or tetrahedral? What are the bond angles? Is it flexible or rigid?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_forwardDo not write it out free handed. Please ensure it legible.arrow_forward
- Write structural formulas for compounds that meet the following descriptions:(a) An alkene, C6H12, that cannot have cis–trans isomersand whose longest chain is 5 carbons long(b) An alkene with a chemical formula of C10H12 that hascis–trans isomers and contains a benzene ring.arrow_forwardPropanal and propanone have the same molecular formula, C3H6O, therefore they are?arrow_forward(a) Which of the following compounds, if any, is an ether? (b) Which compound, If any, is an alcohol? (c) Which com- pound, if any, would produce a basic solution if dissolved in water? (Assume solubility is not a problem). (d) Which compound, if any, is a ketone? (e) Which compound, if any, is an aldehyde? () Н,С—CH;—он Н (ii) H;C-Ñ-CH,CH=CH2 (ii) o (iv) (v) CH;CH,CH,CH2CHO (vi) CH3C=CCH,COOHarrow_forward
- Chemistry by OpenStax (2015-05-04)ChemistryISBN:9781938168390Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark BlaserPublisher:OpenStaxChemistry: The Molecular ScienceChemistryISBN:9781285199047Author:John W. Moore, Conrad L. StanitskiPublisher:Cengage Learning