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प्रश्न
Write the name and formula of the 2nd member of homologous series having general formula CnH2n.
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उत्तर
CnH2n is the general formula for the alkene series. The second member of the alkene family is propene with the molecular formula C3H6.
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संबंधित प्रश्न
Give the molecular formula of one homologue of the following:
C3H6
Write the molecular formula of the third member of the homologous series of carbon compounds with general formula CnHO2n+1OH.
What is 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
Write names of first four homologous series of alcohols.
The unsaturated hydrocarbons containing a carbon-carbon double bond are called _______.
Complete the following chart by using examples given in brackets.
(isobutylene, cyclohexane, propane, cyclohexene, cyclopentane, benzene, propyne, isobutane, propene)
| Straight chain hydrocarbons | Branched chain hydrocarbons | Cyclic hydrocarbons |
Name the following organic compound:
The first homologue whose general formula is CnH2n.
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 alcohols.
