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As the number of carbons increase, each additional CH2 group contributes to a fairly constant increase in the boiling point and density. The melting point is also increased but to a lesser extent.

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Why are alkanes homologous series?

Alkanes are considered a homologous series because they share the same general formula (CnH2n+2) and have similar chemical properties due to a repeating pattern of carbon and hydrogen atoms in their structure. The physical and chemical properties of alkanes vary gradually as the number of carbon atoms increases, showing a clear trend within the series.


Hydrocarbons which have only single bonds between carbon atoms?

Alkanes are hydrocarbons that have only single bonds between carbon atoms. They are saturated hydrocarbons with the general formula CnH2n+2, where n represents the number of carbon atoms in the molecule. Alkanes are relatively inert and have straight or branched chain structures.


What has most hydrogen Atoms per carbon?

Alkanes, specifically the straight-chain alkanes, have the highest number of hydrogen atoms per carbon atom. For example, in ethane (C2H6), there are three hydrogen atoms for each carbon atom. As the number of carbon atoms increases in alkanes, the ratio of hydrogen to carbon remains maximized at 2:1 for saturated hydrocarbons.


What is the molecular mass of alkanes?

The molecular mass of alkanes varies depending on the number of carbon atoms in the chain. Alkanes have the general formula ( C_nH_{2n+2} ), where ( n ) is the number of carbon atoms. For example, methane (1 carbon) has a molecular mass of about 16 g/mol, while octane (8 carbons) has a molecular mass of approximately 114 g/mol. As the number of carbon atoms increases, the molecular mass of the alkane increases accordingly.


What does the n stand for in CnH2n?

The "n" in CnH2n represents the number of carbon atoms in an alkane hydrocarbon molecule. The general formula for alkanes is CnH2n+2, but for simplicity, CnH2n is often used to represent the relationship between carbon and hydrogen atoms in alkanes.

Related Questions

Why are alkanes homologous series?

Alkanes are considered a homologous series because they share the same general formula (CnH2n+2) and have similar chemical properties due to a repeating pattern of carbon and hydrogen atoms in their structure. The physical and chemical properties of alkanes vary gradually as the number of carbon atoms increases, showing a clear trend within the series.


Hydrocarbons which have only single bonds between carbon atoms?

Alkanes are hydrocarbons that have only single bonds between carbon atoms. They are saturated hydrocarbons with the general formula CnH2n+2, where n represents the number of carbon atoms in the molecule. Alkanes are relatively inert and have straight or branched chain structures.


Which compounds have the maximum possible number of hydrogen atoms on their carbon chain?

The alkanes have this feature.The entire group of alkanes has this characteristic.alkane


What has most hydrogen Atoms per carbon?

Alkanes, specifically the straight-chain alkanes, have the highest number of hydrogen atoms per carbon atom. For example, in ethane (C2H6), there are three hydrogen atoms for each carbon atom. As the number of carbon atoms increases in alkanes, the ratio of hydrogen to carbon remains maximized at 2:1 for saturated hydrocarbons.


What compounds have the maximum possible number of hydrogen atoms on its carbon chain?

Alkanes have the most possible number of hydrogen atoms with respect to the carbon again.


What is the molecular mass of alkanes?

The molecular mass of alkanes varies depending on the number of carbon atoms in the chain. Alkanes have the general formula ( C_nH_{2n+2} ), where ( n ) is the number of carbon atoms. For example, methane (1 carbon) has a molecular mass of about 16 g/mol, while octane (8 carbons) has a molecular mass of approximately 114 g/mol. As the number of carbon atoms increases, the molecular mass of the alkane increases accordingly.


Why are alkanes more saturated?

This is because they have a large number of hydrogen atoms attached to the carbon atoms


Why are alkanes saturated?

This is because they have a large number of hydrogen atoms attached to the carbon atoms


What is the molecular formula for alkanes with 11 carbon atoms?

75. decane 2-methylnonane 2,2-dimethyloctane 2,3-dimethyloctane etc. ... I'm not going to list all 75.


What alkanes are gases at room temperature?

Examples of alkanes that are gases at room temperature include methane (CH4), ethane (C2H6), and propane (C3H8).


What does the n stand for in CnH2n?

The "n" in CnH2n represents the number of carbon atoms in an alkane hydrocarbon molecule. The general formula for alkanes is CnH2n+2, but for simplicity, CnH2n is often used to represent the relationship between carbon and hydrogen atoms in alkanes.


Why do alkanes have a single bond between there carbon atoms?

Alkanes have single bonds between their carbon atoms due to the nature of carbon's bonding capabilities. Each carbon atom forms four covalent bonds by sharing electrons, and in alkanes, they are all single bonds (sigma bonds) formed by the overlap of atomic orbitals. This allows alkanes to achieve a saturated state, meaning they have the maximum number of hydrogen atoms bonded to their carbon skeleton, which is characteristic of this class of hydrocarbons. The single bonds also contribute to the relative stability and lower reactivity of alkanes compared to alkenes and alkynes, which have double and triple bonds, respectively.