List of top Chemistry Questions on Chemical structure asked in AIIMS BSc Nursing

A substance that contains chemically similar atoms, and the atoms always exist in pairs. What is that substance called?

A molecule has two bonds of equal length, but its Lewis structure shows one single bond and one double bond. This is best explained by:

Which is the correct pair of chelating and ambidentate ligands?

What is the oxidation state of oxygen in \(O_{2}F_{2}\) and \(O_{3}\)?

Match the Column-I (Ligands) with Column-II (Ligand type):
Column-I: (I) \(NO_{2}^{-}\), (II) \(OH^{-}\), (III) \(C_{2}O_{4}^{2-}\), (IV) EDTA.
Column-II: (A) Hexadentate, (B) Bidentate, (C) Monodentate, (D) Ambidentate.

What is the hybridisation of carbon atoms in \(CH_{2}=CH-CN\) (Acrylonitrile)?

According to Molecular Orbital Theory, the bond order of O$_2$ is:

The coordination number of cobalt in [Co(NH$_3$)$_6$]Cl$_3$ is:

According to Valence Bond Theory, the hybridization of the central metal ion in [Ni(CN)$_4$]$^{2-}$ is:

The catalytic activity of transition elements is related to their:

The following are catalysts and their respective processes/reactions. The wrong pair is:

Which statement is logical according to Werner's theory?

What is the symbol for an atom containing 20 protons, 18 electrons and 22 neutrons?

The energy required to completely separate one mole of a solid ionic compound into its gaseous constituent ions is called:

The number of unpaired electrons in the paramagnetic complex ion \([FeF_6]^{3-}\) is

What will be the oxidation number of the elements in \(O_3\), \(P_4\) and \(S_8\)?