Table 3. Alkanes Condensed Structural Formula Boiling Point (°C) -162 Name Phase Methane Gas CH CH:CH3 CH&CH2CH3 CH.CH2CH2CHS CH&CH:CH2CH2CHS CH.CH2CH2CH2CH2CHS CH&CH2CH2CH2CH.CH:CHa CH.CH2CH2CH CH CH2CH CH Ethane Gas -89 Gas -42 Propane Butane Pentane Hexane Heptane Gas -0.5 Liquid Liquid Liquid Liquid 36 69 98 126 Octane Table 4. Alkenes Name Condensed Structural Formula Boiling Point (°C -104 Phase Ethene Gas CH2-CH2 Gas CH2-CHCH3 -47 Propene 1-Butene CH2 CHCH2CH3 CH2-CHCH2CH2CH3 CH2-CHCH2CH2CH2CH3 Gas -6 -30 Liquid Liquid 1-Pentene 1-Hexene 63 Table 5. Alkynes Condensed Structural Formula Name Phase Boiling Point Ethyne Propyne 2-Butyne Pentyne CH CH CH CCH3 CH3C CCH3 CH CCH2CH2CH3 Gas -84 -47 Gas Gas 8.08 Liquid 40.2 Alkanes are also saturated hydrocarbons. The distinguishing feature of = alkane, making it distinct from other compounds that also exclusively contain carbo and hydrogen, is its lack of unsaturation. Notice that the first four alkanes are gas at room temperature, and solids do not start to appear until ab0 C17H35. These forces will be very small for a molecule like methane but will increa What do you think will be the boiling point of the next alkane, alkene, and alkyne? Will the boiling point of each hydrocarbon be higher or lower? Explain your answer.
Table 3. Alkanes Condensed Structural Formula Boiling Point (°C) -162 Name Phase Methane Gas CH CH:CH3 CH&CH2CH3 CH.CH2CH2CHS CH&CH:CH2CH2CHS CH.CH2CH2CH2CH2CHS CH&CH2CH2CH2CH.CH:CHa CH.CH2CH2CH CH CH2CH CH Ethane Gas -89 Gas -42 Propane Butane Pentane Hexane Heptane Gas -0.5 Liquid Liquid Liquid Liquid 36 69 98 126 Octane Table 4. Alkenes Name Condensed Structural Formula Boiling Point (°C -104 Phase Ethene Gas CH2-CH2 Gas CH2-CHCH3 -47 Propene 1-Butene CH2 CHCH2CH3 CH2-CHCH2CH2CH3 CH2-CHCH2CH2CH2CH3 Gas -6 -30 Liquid Liquid 1-Pentene 1-Hexene 63 Table 5. Alkynes Condensed Structural Formula Name Phase Boiling Point Ethyne Propyne 2-Butyne Pentyne CH CH CH CCH3 CH3C CCH3 CH CCH2CH2CH3 Gas -84 -47 Gas Gas 8.08 Liquid 40.2 Alkanes are also saturated hydrocarbons. The distinguishing feature of = alkane, making it distinct from other compounds that also exclusively contain carbo and hydrogen, is its lack of unsaturation. Notice that the first four alkanes are gas at room temperature, and solids do not start to appear until ab0 C17H35. These forces will be very small for a molecule like methane but will increa What do you think will be the boiling point of the next alkane, alkene, and alkyne? Will the boiling point of each hydrocarbon be higher or lower? Explain your answer.
Chapter31: Introduction To Analytical Separations
Section: Chapter Questions
Problem 31.29QAP
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Reactions of Ethers
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Use the data in Tables 3 to 5 to answer the following questions.
Table 3. Alkanes
Condensed Structural
Formula
Boiling Point
(°C)
-162
Name
Phase
CH4
Methane
Ethane
Gas
-89
CH3CH3
CH&CH2CH3
CH.CH2CH2CH3
CH&CH:CH2CH2CH3
Gas
Gas
-42
Propane
Butane
Pentane
Gas
-0.5
36
Liquid
Liquid
Liquid
Liquid
69
CH3CH2CH2CH CH2CHS
CH&CH2CH2CH2CH.CH2CHa
CH&CH2CH2CH CH2CH2CH2CHS
Hexane
98
Heptane
Octane
126
Table 4. Alkenes
Condensed Structural
Formula
Name
Phase
Boiling Point
-104
CH2-CH2
CH2-CHCH3
Gas
Ethene
Propene
Gas
-47
1-Butene
Gas
CH2=CHCH2CH3
-6
Liquid
Liquid
1-Pentene
CH2-CHCH2CH2CH3
-30
1-Hexene
CH2-CHCH2CH2CH2CH3
63
Table 5. Alkynes
Name
Phase
Condensed Structural
Boiling Point
Formula
CH CH
CH CCH3
CH3C CCH3
CH CCH2CH2CH3
Gas
Ethyne
Propyne
2-Butyne
Pentyne
-84
Gas
-47
Gas
8.08
Liquid
40.2
Alkanes are also saturated hydrocarbons. The distinguishing feature of an
alkane, making it distinct fromn other compounds that also exclusively contain carbon
and hydrogen, is its lack of unsaturation. Notice that the first four alkanes are gases
at room temperature, and solids do not start to appear until abou
C17H35. These forces will be very small for a molecule like methane but will increase
What do you think will be the boiling point of the next alkane, alkene,
and alkyne? Will the boiling point of each hydrocarbon be higher or
lower? Explain your answer.
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