The following is not correct about carbon

The electronegativity of carbon is

The covalency of carbon is

Carbon (Z=6) is the element of group-IVA of periodic table. Which of the following is the atomic number of next number in the group

The number of sigma and pi bonds in ethene are …………respectively.

Number of sigma and pi bonds in ethyne are ……………

Ethylene is common name for …………

Acetylene is common name for …………

The number of a bonds in methane is ……………

The electronic configuration of carbon in excited state is …………

The bond angle in $C_2{H}_{2}C\_2H\_2$ molecule is

How many unpaired electrons the carbon atom posseses in the ground state?

The type of hybridization in $C{H}_{4}CH\_4$ molecule is ………..

Who among the following disproved vitalism theory ?

Which of the following molecules undergo sp hybridisation ?