List of top Chemistry Questions asked in Indian Institute Of Technology Joint Admission Test for MSc

If \( y + x e^y = \sin x + \tan x \), then the value of \( \frac{dy}{dx} \) at \( x = 0 \) is ...................

Number of spin allowed transition(s) possible for \( d^2 \) octahedral configuration is .............

The first rotational absorption of \(^{12}C^{16}O\) molecule is observed at 3.84 cm\(^{-1}\). If an isotopic substitution is made with \(^{18}O\) in the molecule, the frequency (in cm\(^{-1}\)) of first rotational absorption is ...............

Among the following, the correct condition(s) for spontaneity is(are)

The correct statement(s) among the following is(are)

Correct statement(s) with respect to defects in solids is(are)

A yellow compound X is produced after the reaction of \( K_2[Ni(CN)_4] \) with excess of \( K/\text{liq. NH}_3 \) at -33°C. The oxidation state of Ni in the compound X is ..........

The reaction(s) that will yield cyclic product is(are)

Consider Langmuir adsorption of a gas on a uniform solid surface having N number of surface sites. The free and adsorbed gas molecules are in dynamic equilibrium. If the fractional surface coverage is \( \theta \), the rate of adsorption of the gas is proportional to

In alkaline medium, which of the following metal ion(s) form(s) red precipitate/coloration with dimethylglyoxime?

The correct statement(s) about the octahedral Mn-complex with spin only magnetic moment of approximately 6.0 \( \mu_B \) is(are)

The set(s), in which all the compounds yield achiral products upon treatment with CH\(_3\)MgBr followed by hydrolysis with dilute mineral acid, is(are)

For \([Mn(CO)_6]^{+}\) and \([V(CO)_6]^{-}\) complexes, the correct statement(s) is(are)

According to VSEPR theory, the set(s) of species having trigonal bipyramidal geometry is(are)

An organic compound P (C\(_8\)H\(_16\)) produces a meso compound upon oxidation with OsO\(_4\)/NMO. The compound P is

The substances, A, B and C undergo chemical reactions according to the scheme given below. \[ \text{A} \xrightarrow{k} \text{B} \xrightarrow{2k} \text{C}, \quad \text{A} \xrightarrow{3k} \text{C} \] At time \( t = 0 \), the [A] = 0.11 M. Considering them to be first order reactions, the concentration of B (in M) at equilibrium is

The correct order of the dipole moment among the following is

The set of asymmetric top molecules is

A vessel contains 1 mol of gas A and 2 mol of gas B at 2 bar and 25°C. The gas mixture is compressed such that the final pressure becomes 3 bar without any change in temperature. Considering ideal gas behaviour, the change in Gibbs free energy (in kJ) during the compression is closest to

For van der Waals gases, at the critical point, \( \frac{dP}{dV_m} = 0 \) and

In the following transformation, the number of \( \alpha \) and \( \beta \) particles emitted, respectively, are \[ \begin{matrix} ^{223}_{88}Ra & \xrightarrow{\text{}} & ^{207}_{82}Pb \end{matrix} \]

Wilkinson’s catalyst contains

The biomolecule that does NOT contain iron is

Hydrolysis of P\(_4\)O\(_{10}\) produces a compound R, which on heating above 320°C yields a compound S. The compounds R and S, respectively, are

Ion-dipole interactions vary with distance (r) as