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Potassium permanganate (KMnO 4) is a dark violet colored powder. Its reaction with glycerol (commonly known as glycerin or glycerine) (C 3 H 5 (OH) 3) is highly exothermic, resulting rapidly in a flame, along with the formation of carbon dioxide and water vapour:
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The 2020 Summer Olympics, officially known as the Games of the XXXII Olympiad, were an international multi-sport event held in Tokyo, Japan, from 23 July to 8 August 2021. The Games were postponed by one year as part of the impact of the COVID-19 pandemic on sports. [2]
2021 Summer International: Win England: Lewis Ludlow: 3rd — [30] [31] 10 July Canada: Twickenham Stadium, London 70 14 Win England: 3rd — [32] [33] 6 November Tonga: Twickenham Stadium, London 69 3 2021 Autumn International: Win England: Courtney Lawes: 4th — [34] [35] 13 November Australia: Twickenham Stadium, London 32 15 Win England ...
This green color results from an intense absorption at 610 nm. In the laboratory, K 2 MnO 4 can be synthesized by heating a solution of KMnO 4 in concentrated KOH solution followed by cooling to give green crystals: [3] 4 KMnO 4 + 4 KOH → 4 K 2 MnO 4 + O 2 + 2 H 2 O. This reaction illustrates the relatively rare role of hydroxide as a ...
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Potassium permanganate is an inorganic compound with the chemical formula KMnO 4.It is a purplish-black crystalline salt, which dissolves in water as K + and MnO − 4 ions to give an intensely pink to purple solution.