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  2. Potassium permanganate - Wikipedia

    en.wikipedia.org/wiki/Potassium_permanganate

    Addition of concentrated sulfuric acid to potassium permanganate gives Mn 2 O 7. [76] Although no reaction may be apparent, the vapor over the mixture will ignite paper impregnated with alcohol. Potassium permanganate and sulfuric acid react to produce some ozone, which has a high oxidizing power and rapidly oxidizes the alcohol, causing it to ...

  3. Permanganate - Wikipedia

    en.wikipedia.org/wiki/Permanganate

    2 + 8 MnO 2 + H + + 4 H 2 O + 9 Cl −. In an acidic solution, permanganate(VII) is reduced to the pale pink manganese(II) (Mn 2+) with an oxidation state of +2. 8 H + + MnO − 4 + 5 e − → Mn 2+ + 4 H 2 O. In a strongly basic or alkaline solution, permanganate(VII) is reduced to the green manganate ion, MnO 2− 4 with an oxidation state ...

  4. Permanganic acid - Wikipedia

    en.wikipedia.org/wiki/Permanganic_acid

    Permanganic acid (or manganic(VII) acid) is the inorganic compound with the formula H MnO 4 and various hydrates. [3] This strong oxoacid has been isolated as its dihydrate. It is the conjugate acid of permanganate salts. It is the subject of few publications and its characterization as well as its uses are very limited.

  5. Quizlet - Wikipedia

    en.wikipedia.org/wiki/Quizlet

    Quizlet was founded in October 2005 by Andrew Sutherland, who at the time was a 15-year old student, [2] and released to the public in January 2007. [3] Quizlet's primary products include digital flash cards , matching games , practice electronic assessments , and live quizzes.

  6. Litmus - Wikipedia

    en.wikipedia.org/wiki/Litmus

    The main use of litmus is to test whether a solution is acidic or basic, as blue litmus paper turns red under acidic conditions, and red litmus paper turns blue under basic or alkaline conditions, with the color change occurring over the pH range 4.5–8.3 at 25 °C (77 °F). Neutral litmus paper is purple. [2]

  7. Today's Wordle Hint, Answer for #1260 on Saturday, November ...

    www.aol.com/todays-wordle-hint-answer-1260...

    SPOILERS BELOW—do not scroll any further if you don't want the answer revealed. The New York Times. Today's Wordle Answer for #1260 on Saturday, November 30, 2024.

  8. pH - Wikipedia

    en.wikipedia.org/wiki/PH

    The measurement of pH can become difficult at extremely acidic or alkaline conditions, such as below pH 2.5 (ca. 0.003 mol/dm 3 acid) or above pH 10.5 (above ca. 0.0003 mol/dm 3 alkaline). This is due to the breakdown of the Nernst equation in such conditions when using a glass electrode.

  9. Toledo tops Pitt in 6 OTs to win GameAbove Sports Bowl after ...

    www.aol.com/sports/toledo-tops-pitt-6-ots...

    Toledo was up 20-12 at halftime, but Pitt outscored the Rockets in the third quarter to take the lead. In the fourth quarter, Toledo got a pick-six and a game-tying field goal to send the game to OT.