Chemistry Question Bank

The structure and hybridization of Si(CH3)4 is :

The hybridization of atomic orbitals of the central atom “Xe” in XeO4, XeO2F2, and XeOF4 respectively.

Select pair of compounds in which both have different hybridization but have same molecular geometry:

Which of the following statements is incorrect for PCl5?

Which one of the following is the correct set with respect to molecule, hybridization and shape ?

In which of the following pairs, both the species have the same hybridization? (I) SF4, XeF4 (II) - I ,XeF (III) ICl ,SiCl (IV) - 3- ClO ,PO

Isostructural species are those which have the same shape and hybridisation. Among the given species identify the isostructural pairs.

What type of hybridization does a BCl3 molecule undergo? a) sp b) sp2 c) sp3 d) sp3d Ans. (b) Sol. In the BCl3 molecule, one s-orbital and two p- orbitals intermix and form three equivalent hybrid orbits. Therefore it…

Cl–C2 bond of this molecule is formed by

The orbitals used by C in forming C–H and C–Cl bonds of CH2Cl2 are

Which of the following orders is correct for electronegativity?

In sp2 orbital, character of pz orbital will be

CH3 – CH2 – CH = CH2 has hybridisation:

The state of hybridization of the central atom is not the same as in the others:

The hybridization of the central atom in ICl 2 is:

Which of the following angle corresponds to sp2 hybridisation? C = C M(CO)3 C H NC NC

Diagonal hybridisation is the another name of

Assuming the bond direction to the z-axis, which of the overlapping of atomic orbitals of two-atom (A) and (B) will result in bonding? (I) s-orbital of A and px orbital of B (II) s-orbital of A and pz orbital of B (II…

In a compound the number of sigma and pi bonds respectively are :

The strength of bonds formed by s-s, p-p and p-s overlap has the order:

The strength of covalent bond ___________ extent of overlapping of orbitals. a) may be or may not be related to b) is independent on c) is dependent on d) is not related to Ans. (c) Sol. As per the concept of valence …

Which of the following does not represent positive overlap? (a) (b) (c) (d) Ans. (b) Sol. Out of phase overlap occurs in (b) Thus, it shows negative overlap.

The valence bond theory explains the shape, the formation and directional properties of bonds in polyatomic molecules like CH4, NH3 and H2O etc., in terms of

VBT theory is based on the

FAsF bond angle in AsF3Cl2 molecule is: