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Question
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Solution
The difference in the molecular formula of any two adjacent homologues is that it differs by three atoms. The difference is due to one carbon atom and two hydrogen atoms, represented as CH2.
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RELATED QUESTIONS
Write the name and formula of the 2nd member of homologous series having general formula CnH2n + 2.
Write the name and formula of the 2nd member of homologous series having general formula CnH2n – 2.
Write the molecular formula of first two members of homologous series having functional group – OH
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Give the molecular formula of one homologue of the following:
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Propane and ethane are ______.
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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
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Homologous series
A carbon compound ‘A’ having melting point 156K and boiling point 351K, with molecular formula C2H6O is soluble in water in all proportions.
- Identify ‘A’ and draw its electron dot structure.
- Give the molecular formulae of any two homologues of ‘A’.
