A) \[I>II>III\]
B) \[I>III>II\]
C) \[II>I>III\]
D) \[II>III>I\]
Correct Answer: D
Solution :
Standard reduction potential (in volts) of the perhalate ions are given as below: \[ClO_{4}^{-}+2{{H}^{+}}+2{{e}^{-}}\xrightarrow{{}}ClO_{3}^{-}+{{H}_{2}}O;\] \[E{}^\circ =1.19\,V\] \[BrO_{4}^{-}+2{{H}^{+}}+2{{e}^{-}}\xrightarrow{{}}BrO_{3}^{-}+{{H}_{2}}O;\] \[E{}^\circ =1.74\,V\] \[IO_{4}^{-}+2{{H}^{+}}+2{{e}^{-}}\xrightarrow{{}}IO_{3}^{-}+{{H}_{2}}O;\] \[E{}^\circ =+\,1.65\,V\] more the standard reduction potential, more is the tendency of perhalate ion to undergo reduction and more stronger it will be an oxidizing agent.You need to login to perform this action.
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