(a) Give the name and structural formula of one member each of the following:
(i) alkane ; (ii) alkene ; (iii) alkyne ; (iv) cycloalkane.
(b) Give the common name of (i) ethyne, and (ii) ethene.
(c) Write the molecular formula and structure of benzene.
(i) Methane
![](/assets/questions/media/145526-37200-1610551666.png)
(ii) Ethane
![](/assets/questions/media/145526-37200-1610551705.png)
(iii) Ethyne
![](/assets/questions/media/145526-37200-1610551821.png)
(iv) Cyclohexane
![](/assets/questions/media/145526-37200-1610551920.png)
(b) (i) Ethyne: Acetylene (ii) Ethene: Ethylene
(c) Molecular formula of benzene: C6H6. Its structure is given below:
Related Articles
- Write the molecular formula of :(i) an alkane ; (ii) an alkene ; (iii) an alkyne, each having 20 carbon atoms.
- Give the name and structural formula of one member of the following: Alcohols
- Write the molecular formula of the following:(i) Hexane (ii) Benzene
- (a) Give the general formula of an: (i) alkane, (ii) alkene, and (iii) alkyne.(b) Classify the following compounds as alkanes, alkenes, and alkynes: C2H4 , C3H4 , C4H8 , C5H12 , C5H8 , C3H8 , C6H6.
- Give the name and structural formula of one homologue of HCOOH.
- (a) Define a homologous series. Give the name and structural formula of one homologue of the following: CH3OH.(b) Write the molecular formula of the third member of the homologous series of carbon compounds with general formula CnH2n+ 1OH. (c) Name any two fossil fuels.
- Give the name and structural formula of an alkyl group.
- (a) Which functional group do you think can be present in an organic compound having the molecular formula C5H10O2? Write the formula of the organic compound.(b) Give one example each of the compounds having the following functional groups: (i) Aldehyde group (ii) Alcohol group (iii) Carboxylic acid group (iv) Halo group (c) Give one example each of the compounds having the following functional groups: (i) Alkene group (ii) Alkyne group
- (a) Giving their structures, state the number of single bonds, double bonds and triple bonds(if any) following compounds:(i) ethyne (ii) ethene (iii)benzene (b) Write the molecular formula and structure of cyclohexane. How many covalent bonds are there in the molecule of cyclohexane?
- (a) Friedrich Wohler converted an inorganic compound into an organic compound in the laboratory.(i) Give the name and formula of inorganic compound. (ii) Write the name and formula of organic compound formed. (b) Give the molecular formula of butane and mention the names of its two isomers. Name one fuel which contains both these isomers.
- Write the molecular formula of ethene and draw its electron dot structure.
- (a) Define the term ‘isomer’.(b) Two compounds have same molecular formula C3H6O. Write the name of these compounds and their structural formula.(c) How would you bring the following conversions :(i) Ethanol to ethene(ii) Propanol to propanoic acid
- Write the electron-dot structures for:(i) ethane, (ii) ethene and (iii) ethyne.
- Write the molecular formula of the 2nd and 3rd member of the homologous series where the first member is ethyne.
Kickstart Your Career
Get certified by completing the course
Get Started