List of top Questions asked in IIT JAM CY

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

The product X in the following reaction sequence is 

The major product formed in the following reaction is 

Among the dimethylcyclohexanes, which one can be obtained in enantiopure form? 

The CORRECT order of stability for the following carbocations is 

Consider the following four xenon compounds: XeF2, XeF4, XeF6 and XeO3. The pair of xenon compounds expected to have non-zero dipole moment is 
 

The CORRECT order of \( \Delta_0 \) (the octahedral crystal field splitting of d orbitals) values for the following anionic metal complexes is
Among the following metal carbonyl species, the one with the highest metal-carbon back bonding is

Which plot represents a spectrophotometric titration, where the titrant alone absorbs light in the visible region? 

With respect to periodic properties, the CORRECT statement is

For adsorption of a gas on a solid surface, the plot that represents Freundlich isotherm is 

The C-2 epimer of D-glucose is
The compound that contains the most acidic hydrogen is

The major product formed in the following reaction is 

NaF, KF, MgO and CaO are crystalline solids. They have NaCl structure. Their lattice energies vary in the order
The CORRECT order of melting points of group 15 trifluorides is
On hydrolysis, aluminium carbide produces