List of top Physical Chemistry Questions asked in IIT JAM CY

The Maxwell-Boltzmann distribution $f(v_x)$ of one-dimensional velocities $v_x$ at temperature T is [Given: A is a normalization constant such that $ \int_{-\infty}^{\infty} f(v_x) dv_x = 1$, and $k_B$ is the Boltzmann constant]
The spacing between successive rotational energy levels of a diatomic molecule XY and its heavier isotopic analogue X'Y' varies with the rotational quantum number, J, as
The number of CO stretching bands in the infrared spectrum of $Fe(CO)_5$ is
The number of signals observed in the $^1H NMR$ spectrum of the compound
The number of signals observed in the $^1H NMR$ spectrum of the compound
is _________.
Iron is extracted from its ore via the reaction
$Fe_2O_3, + 3 CO→ 2 Fe + 3CO_2$
The volume of CO (at STP) required to produce 1 kg of iron is ________liters. (round off to the nearest integer)
[Given: Atomic wt. of Fe = 56; assume STP to be 0 °C and 1 atm]
At constant volume, 1.0 kJ of heat is transferred to 2 moles of an ideal gas at 1 atm and 298 K. The final temperature of the ideal gas is ____K. (round off to one decimal place)
[Given: R = 8.314 J K-1 mol-1]
A galvanic electrochemical cell made of Zn2+/Zn and Cu2+/Cu half-cells produces 1.10 V at 25°C. The ratio of |Zn2+| to |Cu2+| is maintained at 1.0. The ΔG° for the reaction when 1.0 mol of Zn gets dissolved is____kJ. (round off to the nearest integer)
[Given: Faraday's constant = 96485 C mol-1]
The nature of interaction involved at the gas-solid interface in physisorption is
For the reaction
$H_2PO_2^- (aq) + OH^- (aq) → HPO_3^{2-} (aq) + H_2(g)$
the rate expression is $k[H_2PO_2 ][OH ]^2$. If the concentration of $H_2PO_2^-$ is