Quinhydrone meaning

Quinhydrone is a chemical compound formed by the reaction between hydroquinone and quinone.


Quinhydrone definitions

Word backwards enordyhniuq
Part of speech The word "quinhydrone" is a noun.
Syllabic division quin-hy-drone
Plural The plural of the word quinhydrone is quinhydrones.
Total letters 11
Vogais (4) u,i,o,e
Consonants (6) q,n,h,y,d,r

Quinhydrone is a chemical compound that is commonly used in analytical chemistry as an indicator for redox titrations. This deep purple crystalline solid is formed by the reaction between hydroquinone and p-benzoquinone.

Properties of Quinhydrone:

Quinhydrone is sparingly soluble in water but dissolves readily in organic solvents such as ethanol, ether, and chloroform. It is known for its distinct purple color and is stable under normal conditions. Quinhydrone forms stable complexes with metals, making it useful in various analytical techniques.

Applications of Quinhydrone:

Due to its unique properties, quinhydrone is widely used as an indicator in redox titrations. It can also serve as an electron acceptor in organic reactions, facilitating the oxidation of various organic compounds. In addition, quinhydrone is employed in the calibration of pH electrodes and as a standard in electrochemistry.

Preparation of Quinhydrone:

Quinhydrone is typically prepared by mixing equimolar amounts of hydroquinone and p-benzoquinone in a suitable solvent. The resulting purple precipitate is then collected and purified to obtain pure quinhydrone. The compound can also be synthesized by reacting 1,4-dihydroxybenzene with benzoquinone.

Quinhydrone plays a crucial role in various chemical analyses and research activities. Its unique properties make it a valuable tool for studying redox reactions and other processes in chemistry. Researchers continue to explore new applications for quinhydrone in different fields.

Overall, quinhydrone is a versatile compound with significant importance in analytical chemistry and related disciplines. Its distinct color, solubility properties, and reactivity make it a valuable substance for various applications, particularly in the realm of redox chemistry.


Quinhydrone Examples

  1. The quinhydrone electrode is commonly used in electrochemical studies.
  2. Researchers studied the formation of quinhydrone complexes in organic synthesis.
  3. The color change of quinhydrone solutions can indicate redox reactions.
  4. Quinhydrone can be used as a pH indicator in analytical chemistry.
  5. The stability of quinhydrone plays a crucial role in certain chemical reactions.
  6. Quinhydrone is used in the calibration of pH meters in laboratories.
  7. The interaction between quinhydrone and metal ions was investigated in the study.
  8. Quinhydrone is known for its ability to form charge-transfer complexes.
  9. The UV-Vis absorption spectrum of quinhydrone can provide valuable information.
  10. Quinhydrone solutions are commonly used in undergraduate chemistry experiments.


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  • Updated 30/03/2024 - 21:16:34