NEET Chemistry Redox Reactions Questions Solved


When MnO2 is fused with KOH, a coloured compound is formed, the product and its colour is [IIT Screening 2003]

(1) K2MnO4, purple green

(2) KMnO4, purple

(3) Mn2O3, brown

(4) Mn3O4 black

(1) 2MnO2+4KOH+O2Δ2K2MnO4purple  green+2H2O.   

 

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