NEET Sample Paper NEET Sample Test Paper-79

  • question_answer
    The acids are called hard acids if they tend to have the following characteristics such as small atomic and ionic radii, high oxidation state and low polarisability. Which of the following order is correct regarding acidic strength?

    A)  \[{{\operatorname{Cl}}_{2}}O>C{{l}_{2}}{{O}_{3}}>C{{l}_{2}}{{O}_{7}}\]

    B)  \[{{\operatorname{Cl}}_{2}}O>C{{l}_{2}}{{O}_{7}}>C{{l}_{2}}{{O}_{3}}\]

    C)  \[{{\operatorname{Cl}}_{2}}O<C{{l}_{2}}{{O}_{3}}<C{{l}_{2}}{{O}_{7}}\]

    D)  \[{{\operatorname{Cl}}_{2}}O>C{{l}_{2}}{{O}_{7}}>ClO\]

    Correct Answer: C

    Solution :

    As oxidation state of Cl increases, acidic strength of oxy acid of chlorine increases.


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