Potassium Permanganate

JEE Main Chemistry · d- and f-Block Elements · 16 questions, latest first

• Consider the following statements about manganate and permanganate ions. Identify the correct statements. A. The geometry of both…202628 January, Shift 2 · Q59
• "X" is an oxoanion of the lightest element of group 7 (in the periodic table). The metal is in +6 oxidation state in "X". The…202624 January, Shift 2 · Q60
• MnO_4^2-, in acidic medium, disproportionates to:202621 January, Shift 1 · Q60
• KMnO_4 acts as an oxidising agent in acidic medium. ' X ' is the difference between the oxidation states of Mn in reactant and…20254 April, Shift 1 · Q75
• Preparation of potassium permanganate from MnO_2 involves two step process in which the 1st step is a reaction with KOH and KNO_3…202524 January, Shift 1 · Q61
• Given below are two statements: Statement (I): Fusion of MnO_2 with KOH and an oxidising agent gives dark green K_2 MnO_4.…20248 April, Shift 2 · Q69
• The difference in the 'spin-only' magnetic moment values of KMnO_4 and the manganese product formed during titration of KMnO_4…20246 April, Shift 1 · Q87
• Consider the following reaction MnO_2+KOH+O_2 → A+H_2 O. Product ' A ' in neutral or acidic medium disproportionate to give…20244 April, Shift 1 · Q86
• Alkaline oxidative fusion of MnO_2 gives " A " which on electrolytic oxidation in alkaline solution produces B. A and B…202430 January, Shift 2 · Q69
• KMnO_4 decomposes on heating at 513 K to form O_2 along with202429 January, Shift 1 · Q67
• In alkaline medium, MnO_4^- oxidises I^- to202429 January, Shift 1 · Q68
• The total change in the oxidation state of manganese involved in the reaction of KMnO_4 and potassium iodide in the acidic medium…202315 April, Shift 1 · Q88
• In alkaline medium, the reduction of permanganate anion involves a gain of ____ electrons.202310 April, Shift 2 · Q90
• During the reaction of permanganate with thiosulphate, the change in oxidation of manganese occurs by value of 3. Identify which…20236 April, Shift 2 · Q69
• KMnO_4 oxidises I^- in acidic and neutral/faintly alkaline solution, respectively, to202330 January, Shift 2 · Q39
• The number of electrons involved in the reduction of permanganate to manganese dioxide in acidic medium is ____.202330 January, Shift 1 · Q59