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9th Class Science Atoms and Molecules Question Bank Atoms and Molecules

  • question_answer
    If the formula of a chloride of a metal\[M\]is\[MC{{l}_{3}}\], then what will be the formula of the phosphate of metal\[M\]?

    A) \[MP{{O}_{4}}\]            

    B)        \[{{M}_{2}}P{{O}_{4}}\]

    C) \[{{M}_{3}}P{{O}_{4}}\]        

    D)        \[{{M}_{2}}{{(P{{O}_{4}})}_{3}}\]

    Correct Answer: A

    Solution :

     In \[MC{{l}_{3}}\], \[M\]is trivalent\[{{M}^{+3}}{{(P{{O}_{4}})}^{-3}}\].


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