JEE Main Chemistry — Inorganic Chemistry previous year questions with solutions.
The order of increasing sizes of atomic radii among the elements O, $\mathrm{S}$, Se and As is :
Which one of the following cannot function as an oxidising agent?
Which of the following is wrong statement?
The internuclear distances in $\mathrm{O}-\mathrm{O}$ bonds for $\mathrm{O}_2^{+}, \mathrm{O}_2, \mathrm{O}_2^{-}$and $\mathrm{O}_2^{2-}$ respectively are :
Identify incorrect statement :
Which of the following is diamagnetic ?
Identify the incorrect statement:
Given ${\text{E}}_{{\text{Cr}}^{3+}/\text{Cr}}^{o}=-0.74{\text{ V; E}}_{{\text{MnO}}_{4}^{-}/{\text{Mn}}^{2+}}^{o}=1.51V$ ${\text{E}}_{{\text{Cr}}_{2}{\text{O}}_{7}^{2-}/{\text{Cr}}^{3+}}^{o}=1.33{\text{ V; E}}_{{\mathrm{Cl}}_{2}|{\mathrm{Cl}}^{-}}^{o}=1.36V$ Based on the data given above, strongest oxidising agent will be:
In which of the following octahedral complex species the magnitude of $\Delta_0$ will be maximum?
In which of the following ionization processes the bond energy has increased and also the magnetic behaviour has changed from paramagnetic to diamagnetic ?
Which of the following statements is incorrect?
In which of the following pairs of molecules/ions, both the species are not likely to exist?
Stability of the species ${\text{Li}}_{2} \text{,} {\text{Li}}_{2}^{-} \text{and} {\text{Li}}_{2}^{+}$ increases in the order of
The catenation tendency of $\mathrm{C}, \mathrm{Si}$ and $\mathrm{Ge}$ is in the order $\mathrm{Ge} < \mathrm{Si} < \mathrm{C}$. The bond energies (in $\mathrm{kJ} \mathrm{~mol}^{-1}$ ) of $\mathrm{C}-\mathrm{C}, \mathrm{Si}-\mathrm{Si}$ and $\mathrm{Ge}-\mathrm{Ge}$ bonds are respectively ;
The magnetic moment of the complex anion $\left[\mathrm{Cr}(\mathrm{NO})\left(\mathrm{NH}_3\right)(\mathrm{CN})_4\right]^{2-}$ is :
Iron exhibits $+2$ and $+3$ oxidation states. Which of the following statements about iron is incorrect?
Among the following, the molecule with the lowest dipole moment is
Which pair of elements with the given atomic numbers is expected to have similar properties?
Although $\mathrm{CN}^{-}$ion and $\mathrm{N}_2$ molecule are isoelectronic, yet $\mathrm{N}_2$ molecule is chemically inert because of
In which of the following pairs the two species are not isostructural?
Magnetic moment of $\mathrm{Gd}^{3+}$ ion $(\mathrm{Z}=64)$ is
Which one of the following will react most vigorously with water?
Which of the following presents the correct order of second ionization enthalpies of $\mathrm{C}, \mathrm{N}, \mathrm{O}$ and $\mathrm{F}$ ?
Among the following species which two have trigonal pyramidal shape? (I) $\mathrm{NI}_3$ (II) $\mathrm{I}_3^{-}$ (III) $\mathrm{SO}_3^{2-}$ (IV) $\mathrm{NO}_3^{-}$