" 6.Bond angle between "C-C" in alkyne "

Bond angle betwee C-C in alkyne

The bond order between C and C in acetylene molecule is

The bond order between C and C in ethyne according to lewis.

The bond length between C- C bonds in sp^2 hybridised molecule is

The type of sigma bond between C-C in graphite is

The C -C bond length is 1.54 Å C =C bond length is 1.33 Å What is the circumference of benzene ring ? Bond length between single and double bonds = 1.4 Å .