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प्रश्न
As one ascends in any homologous series, physical properties change gradually.
पर्याय
Right
Wrong
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उत्तर
As one ascends in any homologous series, physical properties change gradually- Right
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संबंधित प्रश्न
Write the molecular formula of first two members of homologous series having functional group −Br.
Write the molecular formula of first two members of homologous series having functional group – OH
Ethene and ethyne are examples of ______ hydrocarbons.
Give the molecular formula of one homologue of the following:
C3H6
What is a homologous series? Explain with an example.
The number of carbon atoms present in the molecule of fifth member of the homologous series of alkynes is ______.
The molecular formula of the third member of the homologous series of ketones is:
(a) C4H8O
(b) C3H6O
(c) C5H10O
(d) C6H12O
Give the names and the structural formula of the first three members of the homologous series of alkanes.
.
Why homologous series of carbon compounds are so called? Write chemical formula of two consecutive members of a homologous series and state the part of these compounds that determines their (i) physical properties, and (ii) chemical properties.
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
Haloalkanes react with alkalies to produce alcohol. Give the equation for the preparation of the second member of the homologous series of alcohol. State under what condition the reaction occurs.
The phenomenon in which compounds having different structural formulae have the same molecular formula is called _______.
Saturated hydrocarbon : Single bond : : Unsaturated hydrocarbon : _______
C3H8 belongs to the homologous series of ______.
Define a homologous 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.
Name the third homologue of aldehydes.
