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प्रश्न
Propane and ethane are ______.
विकल्प
homologues
isomers
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उत्तर
Propane and ethane are homologues.
Explanation:
Propane (C3H8) and Ethane (C2H6) belong to the same homologous series of alkanes because they differ by a CH2 (methylene) group and follow the general formula CnH2n+2 for alkanes. They are not isomers, as they have different molecular formulas.
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संबंधित प्रश्न
State any four characteristics of a homologous series
Write the molecular formula of two consecutive members of homologous series of aldehydes. State which part of these compounds determines their
- physical and
- chemical properties
The molecular formula of an organic compound is C18H36. Name its homologous series.
Study the different conclusions drawn by students of a class on the basis of observations of preserved/available specimens of plants and animals.
I. Potato and sweet potato are analogous organs in plants.
II. Wings of insects and wings of birds are homologous organs in animals.
III. Wings of insects and wings of bats are analogous organs in animals.
IV. Thorns of citrus and tendrils of cucurbita are analogous organs in plants.
The correct conclusions are:
(A) I, and II
(B) II and IV
(C) I and III
(D) III and IV
The general formula of Alkane is _________________
The phenomenon in which compounds having different structural formulae have the same molecular formula is called _______.
Right or wrong sentence.
As one ascends in any homogeneous category, physical properties change in one direction.
C3H8 belongs to the homologous series of ______.
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 carbon compounds having following molecular formula:
(i) C2H2 (ii) C2H5 (iii) C3H7OH (iv) C2H6COOH (v) CH3CHO
- Identify which one of the above compounds, is a member of aldehyde series.
- Write the general formula of the series to which compound C2H2 belongs.
- Which one of the above compounds has triple bonds between carbon-carbon atoms?
- Write the molecular formula of the first member of the homologous series to which the compound C3H7OH belongs.
