Among the following species, identify the isostructural pairs. $N{F}_3,N{O}_3^{-},B{F}_3,H_3{O}^{+},N_{3}HNF\_3,NO\_3^-,BF\_3,H\_3O^+,N\_3H$

The number and type of bonds in allyl cyanide are

Which contains both polar and non-polar bonds?

The molecule that has linear structure is

The Cl–C–Cl angle in 1, 1, 2, 2–tetrachloroethene and tetrachloromethane respectively will be about

The molecule which has pyramidal shape is

Which of the following are isoelectronic and isostructural $N{O}_3^{-},C{O}_3^{2-},CI{O}_3^{-},S{O}_{3}NO\_3^-,CO\_3^\{2-\},CIO\_3^-,\; SO\_3$? 

Number of lone pair (s) of electrons in the valence shell of Xe in $XeO{F}_{4}XeOF\_4$ is/are

Which of the following contains maximum number of lone pairs on the central atom?

The species having bent–T–shape is