NEET NEET SOLVED PAPER 2013

  • question_answer
    Which is the strongest acid in the following?

    A) \[{{\text{H}}_{\text{2}}}\text{S}{{\text{O}}_{4}}\]

    B) \[\text{HCl}{{\text{O}}_{3}}\]

    C) \[\text{HCl}{{\text{O}}_{4}}\]

    D) \[{{\text{H}}_{\text{2}}}\text{S}{{\text{O}}_{3}}\]

    Correct Answer: C

    Solution :

    The strength of oxyacids can also be decided with the help of the oxidation number central atom. Higher the oxidation number of central atom, more acidic is the oxyacid. \[{{H}_{2}}\overset{+\,6}{\mathop{S}}\,{{O}_{4}},HC\overset{+}{\mathop{l}}\,{{\overset{5}{\mathop{O}}\,}_{3}},H\overset{+}{\mathop{Cl}}\,{{\overset{7}{\mathop{O}}\,}_{4,}}{{H}_{2}}\overset{+}{\mathop{S}}\,{{\overset{4}{\mathop{O}}\,}_{3}}\] Since, in \[HCl{{O}_{4}},\] oxidation number of Cl is highest, so \[HCl{{O}_{4}}\] is the strongest acid among the given.


You need to login to perform this action.
You will be redirected in 3 sec spinner