The $C-C$ bond length of the following molecules is in the order:

The nature of hybridization in the $NH_3$ molecule is

The type of hybrid orbitals used by the chlorine atom in $ClO_2^-$ is:

Which of the following statements is true regarding the $PCl_5$ molecule?
$(i)$ The two axial $P-Cl$ bonds in $PCl_5$ are longer than the three equatorial bonds.
$(ii)$ The axial bonds in $PCl_5$ are stronger than equatorial bonds.
$(iii)$ The axial bonds in $PCl_5$ are more stable than equatorial bonds.
$(iv)$ All five bonds in $PCl_5$ molecule are equivalent.

The increasing order of electronegativity of hybrid orbitals is ..........

Write the bond angle and type of hybridization of the water molecule.