List of top Questions asked in CPET

The pH and pOH of 0.1 M sulphuric acid are: (\(H_2SO_4\) dissociates completely to give 2 \(H^+\) ions per formula unit; \(pK_w = 14\))

In a three-component system of phase equilibria, the maximum number of degrees of freedom can be: (use the phase rule \(F = C - P + 2\), with the minimum number of phases \(P = 1\))

On the pressure-temperature diagram for a one-component system, the point where the solid-liquid and the liquid-gas curves intersect is:

A solution of sulphuric acid contains 86 g of \(H_2SO_4\) per litre of solution. What is the normality of the solution? (Molar mass of \(H_2SO_4\) = 98 g/mol, n-factor = 2)

An element crystallizes in the FCC (face-centred cubic) lattice. How many atoms are there per unit cell?

How many atoms are there in a unit cell of a diamond lattice (diamond cubic structure)?

The nuclear spin quantum number (\(I\)) of a nucleus is \(3/2\). When placed in an external magnetic field, the number of possible spin energy states (\(2I+1\)) it can occupy is:

The compressibility factor (\(Z = \dfrac{PV}{nRT}\)) for an ideal gas is:

The fraction of molecules of a gas possessing velocities in a given range, as given by the Maxwell-Boltzmann distribution, depends on:

Mean velocity, most probable velocity and root mean square velocity of gas molecules are approximately in the ratio:

\(N_2\) molecule does not show a pure vibrational (IR) spectrum because:

The element with the highest first ionization energy among the following is:

The IR spectrum of water shows three bands. How many bands do you predict for CO2 (a linear triatomic molecule)?

The most convenient spectroscopic technique to establish the presence of intermolecular hydrogen bonding is:

Among the following pentachlorides, which one does not exist due to the inert pair effect?

The number of normal modes of vibration in benzene (\(C_6H_6\)), a planar molecule with 12 atoms, is:

The most common oxidation state observed for lanthanides in their compounds is:

Coordination number of Cerium in ceric ammonium nitrate, \((NH_4)_2[Ce(NO_3)_6]\), is:

The first ionization potential of Mg, Al, P, and S follows the order:

The number of metal-metal bonds present in \(Ir_4(CO)_{12}\) is:

The best (most stable) configuration for an octahedral complex is:

Which of the following atoms shows the highest catenation ability?

Oxymyoglobin and oxyhemoglobin, respectively, are:

Which of the following protons is the most acidic?

Which of the following vanadium pentahalides exists?