The central atom in a molecule is in $sp^2$ hybrid state. The shape of the molecule will be

Provide the orbital structure of ethene showing: $(i)$ $\sigma$-bond $(ii)$ $\pi$-bond $(iii)$ The number of $\sigma$ and $\pi$-bonds $(iv)$ The hybridization.

The hybridisations of $N$-orbitals in $NO_3^{-}$,$NO_2^{-}$ and $NH_4^{+}$ respectively are

Which hybrid orbitals are used by carbon atom in the following molecules?
$(a)$ $CH_3-CH_3$
$(b)$ $CH_3-CH=CH_2$
$(c)$ $CH_3-CH_2-OH$
$(d)$ $CH_3-CHO$
$(e)$ $CH_3COOH$

In the compound $CH_3COCl$,which type of orbitals have been used by the carbonyl carbon in bond formation?

What type of hybridisation results in tetrahedral geometry?