List of top Questions asked in IIT JAM CY

For the Diels-Alder reactions I–IV, the activation barriers follow the order

The rate of solvolysis of I–IV follows

The major product formed in the following reaction is

The plot showing the magnetic behavior of oxy- (solid line) and deoxy-haemoglobin (dashed line) is

The number of d-d transition(s) expected for the complex [Cu(NH3)2(H2O)]²⁺ is

The solid state structure of HF is

The coordination number of aluminum ion and the number of bridging hydrogen atoms in [Al(BH4)4]⁻ are, respectively,

The number of non-bonding electrons present in the frontier molecular orbitals of HF is

The order of the M–C bond strength in the following species is (Atomic number for Cr = 24, Mn = 25, Ti = 22, Co = 27)
\[ \text{[Cr(CO)}_6] \text{[Mn(CO)}_6]^+ \text{[Ti(CO)}_6]^{2-} \text{[Co(CO)}_6]^+ \]

The cage-type structure adopted by boron hydride, [B5H11] is

The geometries of the species [Br3]⁺, [Br3]⁻ and [BrF3] are, respectively,

The major product formed in the following reaction sequence is

The Boyle temperature ($T_B$) is defined as the temperature at which the properties of a real gas coincide with those of an ideal gas in the low pressure limit. The graph that shows the pressure dependence of the compression factor (Z) for a real gas at $T_B$ is

The correct statement regarding the determinants (Det) of matrices R, S and T is

The force constant for H$^{35}$Cl and D$^{35}$Cl are the same and both can be considered as harmonic oscillators. H$^{35}$Cl has a fundamental vibrational transition at 2886 cm$^{-1}$. The ratio of the zero-point energy of H$^{35}$Cl to that of D$^{35}$Cl is

At constant pressure, the $\mu$ – T diagram for a pure substance that sublimes (s = solid, l = liquid and g = gas) is