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JEE Main & Advanced Sample Paper JEE Main - Mock Test - 40

  • question_answer
    The oxidation state of \[Cr\] in \[{{[Cr{{(N{{H}_{3}})}_{4}}C{{l}_{2}}]}^{+}}\] is

    A) \[0\]                 

    B)        \[+1\]      

    C) \[+2\]               

    D)        \[+3\]

    Correct Answer: D

    Solution :

    Oxidation state of \[Cr\] in \[{{[Cr{{(N{{H}_{3}})}_{4}}C{{l}_{2}}]}^{+}}\] Let it be x, \[1\times x+4\times 0+2\times (-1)=1\] Therefore \[x=3\].


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