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 ...............

The maximum number of dipeptides that could be obtained by reaction of phenylalanine with leucine is .............

Intensive variable(s) is/are

IR active molecule(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 ..........

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

The INCORRECT statement(s) among the following 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

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

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

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

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

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

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 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

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

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

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 enthalpy of hydration for the transition metal ions is

The homogeneous catalyst used in water-gas shift reaction is

The number of normal modes of vibration in naphthalene is

The number of degrees of freedom of liquid water in equilibrium with ice is