List of top Chemistry Questions on Chemical bonding and molecular structure asked in VITEEE

Polarizability of halide ions increases in the order:

In case of nitrogen, \( \text{NCl}_3 \) is possible but not \( \text{NCl}_5 \), while in case of phosphorus, \( \text{PCl}_3 \) as well as \( \text{PCl}_5 \) is possible. It is due to:

In \( \text{XeF}_2 \), \( \text{XeF}_4 \), \( \text{XeF}_6 \), the number of lone pairs on Xe are respectively:

Which group contains coloured ions out of 1. $Cu^{2+}$ 2.$Ti^{4+}$ 3. $Co^{2+}$ 4. $Fe^{2+}$

Which of the following does not exist?

Amongst \( NO_3^- \), \( SO_3^{2-} \), \( CO_3^{2-} \), \( SO_4^{2-} \) the non-planar species are

How many sigma and pi-bonds are there in the molecule of dicyanoethene (\( \text{CH}_2 \text{CH} \text{CN} \))?

The bond angles of \( \text{NH}_3 \), \( \text{NH}_2 \), and \( \text{NH}_4^+ \) are?

Which of the following hydrogen bonds are strongest in vapour phase?

Which of the following structures is the most preferred and hence of lowest energy for \( \text{SO}_3 \)?

Some of the properties of the two species, \( \text{NO}_3^- \) and \( \text{H}_2O \), are described below. Which one of them is correct?

The pairs of species of oxygen and their magnetic behaviours are noted below. Which of the following presents the correct description?

Which of the following is the correct comparison of the stability of the molecules?

Dipole moment of $HCl =1.03\, D , HI =0.38 \,D$. Bond length of $HCl =1.3\,�$and $HI =1.6 \,�$. The ratio of fraction of electric charge, $\delta$, existing on each atom in $HCl$ and $HI$ is

The type of bonds present in sulphuric anhydride are