List of top Questions asked in IIT JAM CY

At an operating frequency of 350 MHz, the shift (in Hz) of resonance from TMS of a proton with chemical shift of 2 ppm is ...............

For a cell reaction, Pb(s) + Hg$_2$Cl$_2$(s) → PbCl$_2$(s) + 2Hg(l), $\left( \frac{\partial E^\circ}{\partial T} \right)_P$ is 1.45 × 10$^{-4}$ V K$^{-1}$. The entropy change (in J mol$^{-1}$ K$^{-1}$) for the reaction is ..........

IR active molecule(s) is/are

Intensive variable(s) is/are

Wave nature of electromagnetic radiation is observed in

The number of isomeric structures of di-substituted borazine (B$_3$N$_3$H$_4$X$_2$) is ..........

The number of S–S bond(s) in tetrathionate ion is ..........

The “heme” containing protein(s) is/are

Among the following, the species having see-saw shape is/are

The indicator(s) appropriate for the determination of end point in the titration of a weak acid with a strong base is/are

Jahn-Teller distortion is observed in octahedral complexes with d-electron configuration of

Among the following, the correct statement(s) is/are

The INCORRECT statement(s) among the following is/are

$\dfrac{dy}{dx} = -\dfrac{y}{x}$ is a differential equation for a/an

Ionisation energy of hydrogen atom in ground state is 13.6 eV. The energy released (in eV) for third member of Balmer series is

For a first order reaction $A(g) \rightarrow 2B(g) + C(g)$, the rate constant in terms of initial pressure $p_0$ and pressure at time $t$ ($p_t$), is given by

For a particle in a one-dimensional box of length L with potential $V(x)=0$ for $0<L>x>0$ and $V(x)=\infty$ otherwise, an acceptable wave function consistent with the boundary conditions is

The coordination number of Al in crystalline AlCl$_3$ and liquid AlCl$_3$, respectively, is

The homogeneous catalyst used in water-gas shift reaction is

Nitrosyl ligand binds to d-metal atoms in linear and bent fashion and behaves, respectively, as

The metal ion (M$^{2+}$) in the following reaction is
\[ \text{M}^{2+} + \text{S}^{2-} \longrightarrow \text{Black precipitate} \xrightarrow{\text{hot conc. HNO}_3} \text{White precipitate} \]

The correct order of wavelength of absorption ($\lambda_{\max}$) of the Cr-complexes is (en = ethylenediamine)

The correct order of enthalpy of hydration for the transition metal ions is

Catalytic hydrogenation of the following compound produces saturated hydrocarbon(s). The number of stereoisomer(s) formed is
(Structure as given in the question)

The number of normal modes of vibration in naphthalene is