Interpretation:
The structural formula for
Concept Introduction:
Hydrocarbons are the organic compounds which contain only carbon and hydrogen atoms.
Isomers are the compounds which have the same molecular formula but different arrangement of the atoms in space.
The structural formula is a two-dimensional representation, which gives the information about the atoms that are bonded together and the atoms which are not bonded.
The general molecular formula for the alkyne is
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Chapter 6 Solutions
Chemistry In Focus
- What is meant by the term “unsaturated hydrocarbon”? What structural feature characterizes unsaturated hydrocarbons?arrow_forwardIs the general formula of a cycloalkanes the same as the general formula of an alkane, CnH2n+2? Draw any structural diagram to illustrate your answer.arrow_forwardWhat is the difference in bonding and in the general molecular formula between an alkene and an alkane with the same number of carbon atoms?arrow_forward
- What is the difference in bonding and in general molecular formula between an alkene and a cycloalkane with the same number of carbon atoms?arrow_forwardSelect 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_forwardHow many electron pairs are shared when a triple bond exists between two carbon atoms? What must he the geometric arrangement around the carbon atoms in a triple bond? Draw the Lewis structure of a simple molecule that contains a triple bond.arrow_forward
- Distinguish between isomerism and resonance. Distinguish between structural and geometric isomerism. When writing the various structural isomers, the most difficult task is identifying which are different isomers and which are identical to a previously written structurethat is, which are compounds that differ only by the rotation of a carbon single bond. How do you distinguish between structural isomers and those that are identical? Alkenes and cycloalkanes are structural isomers of each other. Give an example of each using C4H8. Another common feature of alkenes and cycloalkanes is that both have restricted rotation about one or more bonds in the compound, so both can exhibit cis- trans isomerism. What is required for an alkene or cycloalkane to exhibit cis-trans isomerism? Explain the difference between cis and trans isomers. Alcohols and ethers are structural isomers of each other, as are aldehydes and ketones. Give an example of each to illustrate. Which functional group in Table 21-4 can be structural isomers of carboxylic acids? What is optical isomerism? What do you look for to determine whether an organic compound exhibits optical isomerism? 1-Bromo-1-chloroethane is optically active whereas 1-bromo-2-chloroethane is not optically active. Explain.arrow_forward4.2 What is an alkane?arrow_forwardOn a microscopic level, how does the reaction of bromine with a saturated hydrocarbon differ from its reaction with an unsaturated hydrocarbon? How are they similar?arrow_forward
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