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Which of the following crystals has unit...

Which of the following crystals has unit cell such that `a ne b ne c and alpha ne beta ne gamma ne 90^@ ?`

A

`K_(2)Cr_(2)O_(7)`

B

`NaNO_(3)`

C

`KNO_(3)`

D

`K_(2)SO_(4)`

Text Solution

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The correct Answer is:
A
Among the following options, only `K_(2)Cr_(2)O_(7)`, exhibits triclinic crystal system in which
`alpha ne beta ne gamma ne 90^(@)` and `a ne b ne c`
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