NaCI is crystallized by slow evaporation of its aqueous solution at room temperature. The correct statement is
A. the crystals will be non-stoichiometric
B. the crystals should have Frenkel defects
C. the percentage of defects in the crystals will depend on the concentration of the solution and its rate of evaporation
D. the nature of defects will depend upon the concentration of the solution and its rate of evaporation
Answer: Option C
This Question Belongs to Engineering Chemistry >> Chemical Bonding And Molecular Structure
Which of the following species has two non-bonded electron pairs on the central atom?
A. TeCI4
B. CIF3
C. lCl2
D. PCl3
The spinels CoFe2O4 and FeFe2O4 respectively are
A. inverse and inverse
B. inverse and normal
C. normal and normal
D. normal and inverse
The arrangement of sulphur in zinc blende and wurtzite structures, respectively are
A. hexagonal close packing and cubic close packing
B. cubic close packing and hexagonal close packing
C. simple cubic packing in both the structures
D. hexagonal dose packing in both the structures
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