List of practice Questions

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.

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

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

Arrange the following ligands in their increasing d-orbital splitting: (A) NH\(_3\)
(B) C\(_2\)O\(_4^{2-}\)
(C) OH\(^-\)
(D) CN\(^-\)

The biomedical applications of polyphosphazene polymers are: (A) As structural materials for the construction of heart valves and blood vessels.
(B) They are used in drug delivery systems.
(C) Biodegradable support for in vivo bone regeneration.

Match the following organometallic compounds (List-I) with their Characteristics (List-II)\[\begin{array}{|c|c|} \hline \textbf{List-I (Organometallic Compounds)} & \textbf{List-II (Characteristics)} \\ \hline \text{(A) Fe(C$_5$H$_5$)$_2$} & \text{(III) Fluxionality} \\ \hline \text{(B) K$^+$[PtCl$_3$(C$_2$H$_4$)]} & \text{(I) dsp$^2$ hybridization} \\ \hline \text{(C) Mg(CH$_3$)$_2$} & \text{(IV) Polymeric in nature} \\ \hline \text{(D) (CH$_3$)$_2$AlF$_4$} & \text{(II) Tetramer structure} \\ \hline \end{array}\]

The lattice constant of a simple cubic lattice having interplanar spacing 3\AA{ for (002) plane is:}

Brillouin zone is:
A. Wigner-Seitz cell of reciprocal lattice
B. Primitive unit cell
C. The locus of all k-values in the reciprocal lattice which are Bragg reflected.
D. Wigner-Seitz cell of direct lattice
The correct statements are:

Arrange the following crystal structures in ascending order of their coordination number.
A. Diamond
B. Sodium Chloride
C. Cesium Chloride
D. Zinc with hexagonal closed packed structure
Choose the CORRECT answer from the options given below:

Arrange the following numbers in ascending order:
A. (10110.011)\(_2\)
B. (32)\(_{10}\)
C. (5F.8)\(_{16}\)
D. F\(_{16}\)
Choose the Correct answer from the options given below: