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Organic Chemistry: Some Basic Principles and Techniques — Chemistry STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceChemistryOrganic Chemistry: Some Basic Principles and Techniques1 Mark
MCQ
The formula of methane is $ \mathrm{CH}_2 $ and its succeeding member ethane is expressed in $ \mathrm{C_2H_6}$​. The common difference of succession between them is:
  • ✓
    $ \mathrm{CH}_2 $
  • B
    $ \mathrm{C}_2 \mathrm{H}_2$
  • C
    $ \mathrm{CH}_4 $​
  • D
    None of the above
✓

Answer

Correct option: A.
$ \mathrm{CH}_2 $
Methane and ethane are alkanes. These are saturated carbon compounds.
They have the general formula $\mathrm{C}_n \mathrm{H}_\text{2 n+2}$​​​​​​​​.
All the alkanes differ by $ \mathrm{CH}_2 $ group successively in the series.

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