Chemical Bonding

In which of the following species, $\mathrm{sp}^3 \mathrm{~d}^2$ hybridisation is not associated?

Among $\mathrm{N}_2 \mathrm{O}, \mathrm{ClF}_2^{-}, \mathrm{SO}_2$ and $\mathrm{I}_3^{+}$, the species having the linear structures are

Peroxide ion is

The bond order of $\mathrm{HeH}^{+}$is

Which of the following oxides is paramagnetic?

Which of the following hydrogen bonds is likely to be the weakest?

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

The species in which nitrogen atom is in a state of sp hybridisation is

The molecular shapes of SF\(_4\), CF\(_4\) and XeF\(_4\) are

The correct bond order of B-F bond in BF3 molecule is :

The boiling point of the water is higher than liquid HF. The reason is that

XeF2, NO2, HCN, ClO2, CO2.
Identify the non-linear molecule-pair from the above mentioned molecules.

The H3O+ ions has the following shape

Bond order of He2, \(He_2^ +\) and \(He_2^{2 + }\) are respectively

A homonuclear diatomic gas molecule shows 2-electron magnetic moment. The one-electron and two-electron reduced species obtained from above gas molecule can act as both oxidising and reducing agents. When the gas molecule is one-electron ox...

The H - N - H angle in ammonia is 107.6\(^\circ\) while the H - P - H angle in phosphine is 93.5\(^\circ\). Relative to phosphine, the p-character of the lone-pair on ammonia is expected to be

The indicated atom is not a nucleophilic site in

Which statements are correct for the peroxide ion?

Which of the following has the strongest H-bond?

The ground state magnetic property of B2 and C2 molecules will be

The shape of \(XeF_5^ -\) will be

Of the following molecules, which have shape similar to CO2 ?

The number of \(\sigma\) and \(\pi\) bonds between two carbon atoms in calcium carbide are

The correct order of O\(-\)O bond length in O2, H2O2 and O3 is

The boiling points of HF, HCl, HBr and HI follow the order