JEE Main & Advanced Sample Paper JEE Main - Mock Test - 13

  • question_answer
    Which of the following crystals has unit cell such that \[a\ne b\ne c\]and\[\alpha \ne \beta \ne \gamma \ne {{90}^{o}}\]?

    A) \[{{K}_{2}}C{{r}_{2}}{{O}_{7}}\]     

    B) \[NaN{{O}_{3}}\]

    C) \[KN{{O}_{3}}\]          

    D) \[{{K}_{2}}S{{O}_{4}}\]

    Correct Answer: A

    Solution :

    : Among the following options, only \[{{K}_{2}}C{{r}_{2}}{{O}_{7}}\] exhibits triclinic crystal system in which \[\alpha \ne \beta \ne \gamma \ne {{90}^{o}}\]and \[a\ne b\ne c\].


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