Which has a greater bond length and why? Carbon - carbon bond in ethane or carbon carbon bond in ethene?

What is the peculiarity of the Carbon-Carbon bond in ethene?

Which is not a carbonate ore?

What is the bond angle between carbon atoms in acetylene?

Which has the maximum bond energy of C-H bond ?

i.Consider the hydrocarbons ethane, ethene and ethyne. The carbon atoms in these molecuies are in different hybridised states, What are these hybridisations? ii. Give the complete structural formulae of these molecules and sketch diagrams to illustrate. the formation of a bonds in ethane and 'pi' bond in ethene.

All carbon-carbon bond lengths in benzene are equal, why?