List of practice Questions

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
The number of degrees of freedom of liquid water in equilibrium with ice is
The correct order of the boiling points of the compounds is
In the following Latimer diagram, the species that undergoes disproportionation reaction is
\[ \text{MnO}_4^- \xrightarrow{+0.56} \text{MnO}_4^{2-} \xrightarrow{+0.27} \text{MnO}_3^- \xrightarrow{+0.93} \text{MnO}_2 \xrightarrow{+0.15} \text{Mn}_2\text{O}_3 \xrightarrow{-0.25} \text{Mn(OH)}_2 \xrightarrow{-1.56} \text{Mn} \]
A yellow precipitate is formed upon addition of aqueous AgNO$_3$ to a solution of
In bacteria, a ribosome synthesizes a protein containing 300 amino acids from mRNA in 20 seconds. If the average lifetime of an mRNA is 2 minutes, the number of ribosomes that can translate a single mRNA containing 1350 nucleotides is .............

An X-ray tube operates at 30 kV. If one electron converts 10% of its energy into a photon at first collision, then the wavelength of the photon (correct to two decimal places) is ........ A. [h = $4.14 \times 10^{-15}$ eV·s, c = $3 \times 10^{8}$ m/s] 
 

Total number of singlets observed in the $^1$H NMR of the following compound is ............ 

The $K_m$ and $v_{max}$ of lactate dehydrogenase for conversion of pyruvate to lactate are 1 mM and 5 nM s$^{-1}$ respectively. At 0.25 mM pyruvate, the velocity of the reaction catalyzed by lactate dehydrogenase is .............. nM s$^{-1}$.