List of top Questions asked in IIT JAM CY- 2019

In qualitative inorganic analysis of metal ions, the ion which precipitates as sulfide in the presence of H$_2$S in warm dilute HCl is
The correct statement regarding the observed magnetic properties of NO, O$_2$, B$_2$ and C$_2$ in their ground state is
The correct option for the number of bending modes of vibration in each of H$_2$O, CS$_2$, and SO$_2$ molecules, respectively, is
The total number of degrees of freedom of an HBr molecule that is constrained to translate along a straight line but does not have any constraints for its rotation and vibration is
According to the kinetic theory of gases, the ratio of the root mean square velocity of molecular oxygen and molecular hydrogen at 300 K is
The half-life of the chemical reaction, A \(\rightarrow\) Product, for initial reactant concentrations of 0.1 and 0.4 mol L\(^{-1}\) are 200 and 50 s, respectively. The order of the reaction is
For three non-coplanar vectors a, b and c, the expression a $\cdot$ (b $\times$ c) can be written as
Correct trend in the bond order is
The correct option for the metal ion present in the active site of myoglobin, hemocyanin and vitamin B12, respectively, is
The number of vibrational mode(s) of a carbon dioxide molecule that can be detected using infrared spectroscopy is