Crystal Field Theory(General Knowledge > General Science ) Questions and Answers
Question 1. What is the softest mineral?
sulfur
calcite
talc
corundum
Explanation:-
Answer: Option C. -> talc
Question 2. When metals and nonmetals have more than one crystal structure
Polymorphism
Allotropy
Explanation:-
Answer: Option A. -> Polymorphism
Question 3. CFT views the interaction between metal ions and ligands in complexes in terms of electrostatic _______________ and ____________________
attraction, repulsion
positive, negative
cation, anion
none of the above
Explanation:-
Answer: Option A. -> attraction, repulsion
Question 4. Which has a a≠b≠ca\ne b\ne ca=b=c Axial relationship?
Orthorhombic
Rhombohedral
Tetragonal
Cubic
Explanation:-
Answer: Option A. -> Orthorhombic
Question 5. Which has an Interaxial Angles of α=β=γ≠90°\alpha=\beta=\gamma\ne90\degreeα=β=γ=90° ?
Rhombohedral
Triclinic
Hexagonal
Cubic
Explanation:-
Answer: Option A. -> Rhombohedral
Question 6. There are nine different possible combinations of which represents a distinct crystal system
True
False
Explanation:-
Answer: Option B. -> False
Question 7. Cube edge length a or x and the atomic radius R in FCC is related by
a = 2R√𝟐
a = 4R3\frac{4R}{\sqrt{3}}34R
Explanation:-
Answer: Option A. -> a = 2R√𝟐
Question 8. The basic structural unit or building block of the crystal structure and defines the crystal structure by virtue of its geometry and the atom positions within
Lattice
Amorphous
Unit Cells
FCC
Explanation:-
Answer: Option C. -> Unit Cells
Question 9. Minerals can form from other minerals when exposed to
heat & pressure
extreme cold
high humidity
salt water
Explanation:-
Answer: Option A. -> heat & pressure
Question 10. Strong field ligand is which give small splitting energy
