question_answer

At certain temperature (T) if conductivity of pure water is \[5.5\times {{10}^{-7}}S\,c{{m}^{-1}},\]then calculate pOH of pure water at temperature T. Given \[\lambda _{{{H}^{+}}}^{\infty }=350\,S\,c{{m}^{2}}e{{q}^{-1}},\] \[\lambda _{O{{H}^{-}}}^{\infty }=200\] \[\,S\,c{{m}^{2}}e{{q}^{-1}}\]

A)  5                                            

B)  6

C)  7                                            

D)  8