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प्रश्न
Write the molecular formula of the third member of the homologous series of carbon compounds with general formula CnHO2n+1OH.
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उत्तर
The molecular formula of the third member of the homologous series, comprising the general formula CnH2n+1OH, is C3H7OH (propanol).
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संबंधित प्रश्न
Write the next homologue of the following: C2H4
Classify the following carbon compounds into two homologous series and name them.
C3H4, C3H6, C4H6, C4H8, C5H8, C5H10
Write the molecular formula of first two members of homologous series having functional group -Cl.
Write the molecular formula of first two members of homologous series having functional group −Br.
The following vegetables are kept in a basket :
Potato, Tomato, Radish, Brinjal, Carrot, Bottle-gourd
Which two of these vegetables correctly represent the homologous structures?
(A) Carrot and Tomato
(B) Potato and Brinjal
(C) Radish and Carrot
(D) Radish and Bottle-gourd
By how many carbon atoms and hydrogen atoms do any two adjacent homologues differ?
Write the names and formulae for the first three members of the homologous series for chloroalkanes.
The molecular formula of a homologue of butane is:
(a) C4H8
(b) C3H6
(c) C4H6
(d) C3H8
The number of carbon atoms present in the molecule of fifth member of the homologous series of alkynes is:
(a) four
(b) five
(c) six
(d) seven
The molecular formula of the third member of the homologous series of ketones is:
(a) C4H8O
(b) C3H6O
(c) C5H10O
(d) C6H12O
What is the difference in the molecular formula of any two adjacent homologues in terms of molecular mass?
Write names of first four homologous series of alcohols.
Give three points to differentiate between saturated and unsaturated
hydrocarbons.
As one ascends in any homologous series, physical properties change gradually.
Write a short note.
Homologous series
The first member of alkyne homologous series is
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’.
Name and draw the electron dot structure of first homologue of alkynes series.
