Which of the following crystals has a unit cell such that $a \neq b \neq c$ and $\alpha \neq \beta \neq \gamma \neq 90^{\circ}$?
- A$K_2Cr_2O_7$
- B$NaNO_3$
- C$KNO_3$
- D$K_2SO_4$
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Similar Questions
Example of a unit cell with crystallographic dimensions $a \neq b \neq c, \alpha = \gamma = 90^{\circ}, \beta \neq 90^{\circ}$ is:
Medium
View SolutionAssertion : Graphite is an example of a tetragonal crystal system.
Reason : For a tetragonal system,$a = b \neq c$,$\alpha = \beta = 90^o$,$\gamma = 120^o$.
Reason : For a tetragonal system,$a = b \neq c$,$\alpha = \beta = 90^o$,$\gamma = 120^o$.
For which of the following substances are the axial distances equal?
Easy
View SolutionCalculate the number of unit cells in $1 \ cm^3$ volume of metal if the volume of one unit cell is $3.448 \times 10^{-23} \ cm^3$.
$A$ solid compound $XY$ has $NaCl$ structure. If the radius of the cation is $100 \ pm,$ the radius of the anion $(Y^-)$ will be .............. $pm$.
DifficultAIPMT 2011
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