List of top Questions asked in CUET (PG)

In Lineweaver-Burk plot, the plot between $ 1/v $ and $ 1/[S_0] $ yields a straight line with a y-intercept and slope value that equals to

Which of the following statement is true for Lindemann mechanism for the unimolecular decomposition of a molecule?

In very high electric field $ E > 10^5 $,

(A) Asymmetric affect disappears
(B) Electrophoretic affect disappears
(C) The ion moves so rapidly that it loses its ionic atmosphere.
(D) The weak electrolyte is completely ionised at all dilutions.

For the calculation of activation energy using the Arrhenius equation, a graph of $ \ln k $ versus $ \frac{1}{T} $ graph was plotted. The slope of the straight line was found to be $ -2.55 \times 10^4 \, \text{K} $. The activation energy in $ \text{J/mol} $ is:

Which of the following reactions correctly represents a Daniell Cell?

10g of a nonvolatile solute, when dissolved in 100g of benzene, raises its boiling point by $1^\circ C$. The molecular mass of the solute in g/mol is (K_b for benzene = 2.53 K·kg/mol):

The number of atoms per unit cell in simple cubic, face-centered cubic, and body-centered cubic are:

Arrange the following spectral ranges in order of their increasing wavelength.

(A) Radio
(B) Visible
(C) Infrared
(D) Ultraviolet

Which of the following is not true for 'Borazines'?

The effective nuclear charge ($ Z_{\text{eff}} $) experienced by 4s electrons of Cu(29) is:

Minamata disease is caused by .......... poisoning.

Arrange the following in increasing order of covalent character: (A) LiF
(B) LiBr
(C) LiCl
(D) LiI

The number of radial nodes present in 4f orbital is:

From the following atoms, which will show the lowest first ionization energy ($ \text{IE}_1 $)?

The electronegativity of the Silicon (Si) atom using Allred-Rochow scale of electronegativity is. Given: The covalent radius for Si atom = 1.175 Angstrom.

Using the VSEPR model, the shape of $ \text{PCl}_4^+ $ ion is:

Arrange the following in increasing order of bond order: (A) He$_2^+$
(B) O$_2^-$
(C) HF
(D) NO$^-$

Superconductors are a special class of materials that have zero ...................... below a critical temperature.

An alloy of Cu and Au will show complete miscibility as per Hume-Rothery if: (A) The metallic radii of the Cu and Au differs only by 12.5%.
(B) Cu and Au have the same crystal structure.
(C) The chemical properties of both the metals are similar.
(D) The number of valence electrons is different in both.

In an Ellingham-diagram, if the C/C$_2$O line lies below the metal oxide line, then the carbon is used to reduce the metal oxide and itself is oxidized to:

Match the metals (List-I) with their ores (List-II)\[\begin{array}{|c|c|} \hline \textbf{List-I (Metals)} & \textbf{List-II (Ores)} \\ \hline \text{(A) Mercury (Hg)} & \text{(III) Cinnabar} \\ \hline \text{(B) Lead (Pb)} & \text{(IV) Galena} \\ \hline \text{(C) Manganese (Mn)} & \text{(I) Pyrolusite} \\ \hline \text{(D) Zinc (Zn)} & \text{(II) Calamine} \\ \hline \end{array}\]

On descending the alkali metal group, the lattice enthalpies of both the oxide and peroxide (or superoxide) decreased, because:

Which of the following is used in vehicles for the inflation of airbags?

Match the xenon compounds (List-I) with structures (List-II)\[\begin{array}{|c|c|} \hline \textbf{List-I (Xenon compounds)} & \textbf{List-II (Structures)} \\ \hline \text{(A) XeF$_4$} & \text{(IV) Square planar} \\ \hline \text{(B) XeO$_3$} & \text{(III) Pyramidal} \\ \hline \text{(C) XeO$_2$F$_2$} & \text{(I) Trigonal bipyramidal} \\ \hline \text{(D) XeO$_4$} & \text{(II) Tetrahedral} \\ \hline \end{array}\]

The magnitude of CFSE depends on: (A) The nature of the ligand
(B) The charge on the metal ion
(C) Position of the metal ion in transition series
(D) Geometry of the complex