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Question
Succeeding members of a homologous series differ by ______.
Options
CH
CH2
CH3
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Solution
Succeeding members of a homologous series differ by CH2.
Explanation:
In a homologous series, each successive member differs from the previous one by a CH2 (methylene) group. This consistent difference maintains similar chemical properties while increasing molecular mass in a predictable pattern.
RELATED QUESTIONS
What is a homologous series?
Write the molecular formula of the 2nd and 3rd member of the homologous series where the first member is ethyne.
By how many carbon atoms and hydrogen atoms do any two adjacent homologues differ?
The molecular formula of the third member of the homologous series of ketones is:
(a) C4H8O
(b) C3H6O
(c) C5H10O
(d) C6H12O
What is homologous series ?
Give the names of the first four members of the homologous series of
alkynes.
Give three points to differentiate between saturated and unsaturated
hydrocarbons.
The unsaturated hydrocarbons containing a carbon-carbon double bond are called _______.
Consider the carbon compounds having following molecular formula:
(i) C3H6 (ii) C3H8 (iii) C4H6 (iv) C6H6 (v) C6H12
- State the number of double covalent bonds present in C3H6.
- Write the formula of first member of the homologous series to which the carbon compound C4H6 belongs.
- Which one of the above compounds forms a ring structure of carbon atoms?
- Identify, which of the above compounds, is a member of alkane series.
Consider the following molecular formulae of carbon compounds:
(i) CH3COOH (ii) CH3OH (iii) C2H6 (iv) C3H4 (v) C4H8
- Which one of these compounds belongs to homologous series of alcohols?
- Identify the compound having triple bond between carbon-carbon atoms.
- Write the molecular formula of the first member of the homologous series to which CH3COOH belongs.
- Write the general formula of the series to which the compound C4H8 belongs.
