Which of the following contains both ionic and covalent bonds

Compound having $s{p}^{3}dsp^3d$ hybridisation is

The molecule which has pyramidal shape is

An example of non–polar molecule is

In solid argon, the atoms are hold together by

$N{H}_{3}NH\_3$ and $B{F}_{3}BF\_3$ form an adduct which insolves

The internuclear distance in $H_{2}H\_2$ and $C{l}_{2}Cl\_2$ molecules are 74 and 198 pm respectively. The bond length of H–Cl is

Outermost shell of two elements X and Y have two and six electrons respectively. It they combine, the expected formula of the compound will be

What is the bond order in $H_2^{-}H^-\_2$

Which one of the following molecules is planar?