question_answer

A green coloured solution of some salt changes its colour to light pink on passing ozone through it. Which of following species represent pink and green colour respectively:-

A)  \[M{{n}^{2+}}\] and \[Mn{{O}_{2}}\]  

B)  \[Mn{{O}_{4}}^{2-}\] and \[Mn{{O}_{4}}^{-}\]

C)  \[Mn{{O}_{4}}^{-}\] and \[Mn{{O}_{4}}^{2-}\]

D)  \[C{{u}^{+}}\] and \[C{{u}^{2+}}\]