Question

reactions are some of the most common chemical means to break-down molecules.
a) oxidising
b) reducing
c) oxidizing-reducing
d)none of the above​

Answer 1

Identifying the Elements Oxidized and Reduced

Assign oxidation numbers to all atoms in the equation. ...

Compare oxidation numbers from the reactant side to the product side of the equation. ...

The element oxidized is the one whose oxidation number increased.

The element reduced is the one whose oxidation number decreased.

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Answer 2

Oxidizing-reducing reactions are some of the most common chemical means to break-down molecules.

The correct answer is option (c) oxidizing - reducing.

• Oxidizing-reducing reactions or simply redox reactions are the reactions where electrons are transferred from one species to another.
• One of the most common redox reactions occurring in the biological system is cellular respiration.
• Glucose molecule in the presence of oxygen forms six molecules of carbon dioxide and water.
• Here, glucose oxidizes to form carbon dioxide and oxygen is reduced to form water.

hence the correct answer is option(c).

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