Which of the following statement is incorrect?
The members of the homologous series of alkanes:

are all straight chain compounds

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have the general formula

C_{n} H_{2 n + 2}

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have similar chemical properties

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show a regular gradation of physical properties

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Solution

The correct option is A are all straight chain compounds
All the members of the homologous series of alkanes are not straight chain compounds they can be branched, but differ by $- C H_{2}$ group.

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Similar questions

Q. Consider the following statements :
(a) All hydrocarbons show phenomena of isomerism.
(b) The members of a homologous series have similar chemical and physical properties.
(c) Cyclic hydrocarbons are saturated or unsaturated organic compounds that contain ring of carbon atoms.
(d) Synthetic detergents are sodium or potassium salts of long chain carboxylic acids.
Which of the above statement(s) is/are correct?

Q. Compounds having the same general formula & similar chemical properties are part of homologous series.

Q. What is meant by homologous series of organic compounds? Write the chemical formulae of two members of a homologous series and state which part determines the (i) physical properties, (ii) chemical properties, of these compunds.

(a) Give the general name of the class of compounds having the general formula $C_{n} H_{2 n - 2} .$ Write the name of the first member of this homologous series.
(b) The general formula of a homologous series of carbon compounds is $C_{n} H_{2 n} .$ Write the molecular formulae of the second and fourth members of the series.
(c) Write the molecular formulae of the third and fifth members of homologous series of carbon compounds represented by the general formula $C_{n} H_{2 n + 2}$

Write the name and formula of the 2nd member of homologous series having general formula C_nH_2n.

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Which of the following statement is incorrect?The members of the homologous series of alkanes:

The correct option is A are all straight chain compoundsAll the members of the homologous series of alkanes are not straight chain compounds they can be branched, but differ by −CH2 group.

Which of the following statement is incorrect?
The members of the homologous series of alkanes:

The correct option is A are all straight chain compounds
All the members of the homologous series of alkanes are not straight chain compounds they can be branched, but differ by $- C H_{2}$ group.