What will be the colour of the solution when Mn(OH)2 is treated with conc. HNO3 and sodium bismuthate (or red lead or lead dioxide)? (A) yellow (B) Purple (C) Green (D) Blue

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Question

What will be the colour of the solution when Mn(OH)2 is treated with conc. HNO3 and sodium bismuthate (or red lead or lead dioxide)?

(A) yellow
(B) Purple
(C) Green
(D) Blue

Prashant Kotian · Accepted Answer

Correct answer: B) PURPLE

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