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Q: What is black reaction in the cell?
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Related questions

Why do the cell walls of onions turn blue-black when put with iodine?

The blue-black color change occurs due to the reaction between iodine and starch present in the onion cell walls. When iodine comes in contact with starch, it forms a complex that absorbs light in the visible spectrum, giving the characteristic blue-black coloration.


When did Immediate Reaction Cell end?

Immediate Reaction Cell ended in 2010.


When was Immediate Reaction Cell created?

Immediate Reaction Cell was created in 1952.


When a cell uses chemical energy to perform work it couples a reaction with a reaction?

When a cell uses chemical energy to perform work, it couples an exergonic (energy-releasing) reaction with an endergonic (energy-requiring) reaction. This coupling allows the cell to harness the energy released from the exergonic reaction to drive the endergonic reaction, enabling the cell to perform work such as transport, mechanical movement, or synthesis of molecules.


Is free energy of cell reaction positive when emf of cell reaction is positive?

No, the free energy of a cell reaction is negative when the emf of the cell reaction is positive. This is because a positive emf indicates that the reaction is spontaneous and capable of performing work, resulting in a negative change in free energy.


What does a positive cell voltage mean?

The reaction is spontaneous.


What is the purpose of adding iodine solution to the onion cell?

The purpose of adding iodine solution to the onion cell is to stain the cell's starch granules. Starch granules will appear blue-black when iodine solution is added, allowing for easy visualization of the presence of starch in the cell.


What is the purpose of the reaction in a cell?

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How can galvanic cell become an electrolytic cell?

the redox reaction is reserved


How can a galvanic cell become a electrolytic cell?

The Redox Reaction Is Reversed


Wtite the reaction which is used in black and white photography?

Photolytic Reaction


An electrolytic cell is different from a voltaic cell because in an electrolytic cell?

In an electrolytic cell, an external power source is needed to drive a non-spontaneous redox reaction, while in a voltaic cell, the redox reaction is spontaneous and generates electric energy. In an electrolytic cell, the anode is positive and the cathode is negative, whereas in a voltaic cell, the anode is negative and the cathode is positive.