Recent questions tagged chemical-bonding-and-molecular-structure

Match the type of interaction in column A with the distance dependence of their interaction energy in column B : A B (i) ion - ion (a) $1\over r$ (ii) Dipole - dipole (b) $1\over r^2$ (iii) Londondispersion (c) $1\over r^3$ (d) $1\over r^6$ (1) (i) - (a); (...

Match the compounds of Xe in column I with the molecular structure in column II. Column I Column II (a) XeF2 (i) Square planar (b) XeF4 (ii) Linear (c) XeO3 (iii) Square pyramidal (d) XeOF4 (iv) Pyramidal (1) (a)-(ii) (b)-(i) (c)-(iv) (d)-(iii) (2) (a)-(ii)...

Identify the wrongly match pair. Molecule Shape or geometry of molecule (1) NH3 Trigonal pyramidal (2) PCl5 Trigonal planar (3) SF6 Octahedral (4) BeCl2 Linear

Among the compounds shown below which one revealed a linear structure? (1) N2O (2) NO2 (3) HOCl (4) O3

The shape/structure of [XeF5]– and XeO3F2, respectively are : (1) octahedral and square pyramidal (2) trigonal bipyramidal and trigonal bipyramidal (3) trigonal bipyramidal and pentagonal (4) pentagonal planar and trigonal bipyramidal

The molecular geometry of SF6 is octahedral. What is the geometry of SF4 (including lone pair(s) of electrons, if (any)? (1) Square planar (2) Trigonal bipyramidal (3) Tetrahedral (4) Pyramidal

The potential energy (y) curve for H2 formation as a function of internuclear distance (x) of the H atoms is shown below. The bond energy of H2 is (1) (c – a) (2) (b – a) (3) $(c – a)\over2$ (4) $(b – a)\over2$

Match the coordination number and type of hybridisation with distribution of hybrid orbitals in space based on Valence bond theory. Coordination number and type of hybridisation Distribution of hybrid orbitals in space (a) 4, sp3 (i) trigonal bipyramidal (b...

If AB4 molecule is a polar molecule, a possible geometry of AB4 is : (1) Square pyramidal (2) Rectangular planar (3) Square planar (4) Tetrahedral

Which one of the following pairs of species have the same bond order? (a) O2, NO+ (b) CN$^-$, CO (c) N2, O2 (d) CO, NO

The species, having bond angles of 120° is (a) ClF3 (b) NCl3 (c) BCl3 (d) PH3

Which of the following pairs of compounds is isoelectronic and isostructural? (a) TeI2, XeF2 (b) IBr$_2^-$, XeF2 (c) IF3, XeF2 (d) BeCl2, XeF2

According to molecular orbital theory, which of the following is true with respect to $Li_2^+$ and $Li_2^-$ ? (1) Both are unstable (2) $Li_2^+$ is unstable and $Li_2^-$ is stable (3) $Li_2^+$ is stable and $Li_2^-$ is unstable (4) Both are stabel

Which of the following diatomic molecular species has only $\pi$ bonds according to Molecular Orbital Theory? (1) O2 (2) N2 (3) C2 (4) Be2

Which of the following is incorrect statement? (1) PbF4 is covalent in nature (2) SiCl4 is easily hydrolysed (3) GeX4 (X = F, Cl, Br, I) is more stable than GeX2 (4) SnF4 is ionic in nature

4d, 5p, 5f and 6p orbitals are arranged in the order of decreasing energy. The correct option is (1) 5f > 6p > 5p > 4d (2) 6p > 5f > 5p > 4d (3) 6p > 5f > 4d > 5p (4) 5f > 6p > 4d > 5p