Indicate whether each statement is true or false. (a) Pentanehas a higher molar mass than hexane. (b) The longer the linearalkyl chain for straight-chain hydrocarbons, the higherthe boiling point. (c) The local geometry around the alkynegroup is linear. (d) Propane has two structural isomers.

Indicate whether each statement is true or false. (a) Pentanehas a higher molar mass than hexane. (b) The longer the linearalkyl chain for straight-chain hydrocarbons, the higherthe boiling point. (c) The local geometry around the alkynegroup is linear. (d) Propane has two structural isomers.

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter6: Covalent Bonding

Section6.5: Multiple Covalent Bonds In Hydrocarbons

Problem 6.4CE

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Concept explainers

Alkanes and Cycloalkanes

Alkanes are saturated organic compounds which are made up of C and H atoms. Alkanes have the general formula of CnH2n+2. Alkane contains sp3 hybridized carbon atoms with four sigmas (σ) bonds & every hydrogen atom is connected with one of the carbon atoms. The size of the alkane could be determined by the number of carbon atoms located in it.

Question

Indicate whether each statement is true or false. (a) Pentane
has a higher molar mass than hexane. (b) The longer the linear
alkyl chain for straight-chain hydrocarbons, the higher
the boiling point. (c) The local geometry around the alkyne
group is linear. (d) Propane has two structural isomers.

Definition Definition Organic compounds that contain at least one triple bond between carbon-carbon atoms. The general molecular formula for alkynes with one triple bond is C n H 2n-2 .

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