NEET Exam > NEET Questions > Which of the following is a redox reaction?a...
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Which of the following is a redox reaction?
- a)Reaction of H2SO4 with NaOH.
- b)In atmosphere, O3 from O2 by lightning.
- c)Nitrogen oxides from nitrogen and oxygen decomposition by lightning.
- d)Evaporation of H2O.
Correct answer is option 'C'. Can you explain this answer?
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Which of the following is a redox reaction?a)Reaction of H2SO4 with N...
Redox Reaction:
Redox reactions involve the transfer of electrons between reactants. One reactant undergoes oxidation (loses electrons) while the other undergoes reduction (gains electrons).
Explanation:
- Nitrogen oxides from nitrogen and oxygen decomposition by lightning is a redox reaction. During a lightning strike, the high energy and heat generated can cause the nitrogen and oxygen molecules in the atmosphere to react and form nitrogen oxides. This reaction involves the transfer of electrons between the nitrogen and oxygen atoms, making it a redox reaction.
- In this process, nitrogen undergoes oxidation as it loses electrons to form nitrogen oxides, while oxygen undergoes reduction as it gains electrons. This transfer of electrons is characteristic of a redox reaction.
- On the other hand, the reactions described in options a, b, and d do not involve the transfer of electrons between reactants and hence are not redox reactions. They are either acid-base reactions (a), physical changes (d), or reactions that do not involve electron transfer (b).
Therefore, the reaction of nitrogen and oxygen decomposition by lightning is the only example of a redox reaction among the given options.
Redox reactions involve the transfer of electrons between reactants. One reactant undergoes oxidation (loses electrons) while the other undergoes reduction (gains electrons).
Explanation:
- Nitrogen oxides from nitrogen and oxygen decomposition by lightning is a redox reaction. During a lightning strike, the high energy and heat generated can cause the nitrogen and oxygen molecules in the atmosphere to react and form nitrogen oxides. This reaction involves the transfer of electrons between the nitrogen and oxygen atoms, making it a redox reaction.
- In this process, nitrogen undergoes oxidation as it loses electrons to form nitrogen oxides, while oxygen undergoes reduction as it gains electrons. This transfer of electrons is characteristic of a redox reaction.
- On the other hand, the reactions described in options a, b, and d do not involve the transfer of electrons between reactants and hence are not redox reactions. They are either acid-base reactions (a), physical changes (d), or reactions that do not involve electron transfer (b).
Therefore, the reaction of nitrogen and oxygen decomposition by lightning is the only example of a redox reaction among the given options.
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Community Answer
Which of the following is a redox reaction?a)Reaction of H2SO4 with N...
N2 + O2 → 2NO
O.N. of N changes from 0 to +2 (oxidation) and O.N. of O changes from O to -2 (reduction).
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Which of the following is a redox reaction?a)Reaction of H2SO4 with NaOH.b)In atmosphere, O3 from O2 by lightning.c)Nitrogen oxides from nitrogen and oxygen decomposition by lightning.d)Evaporation of H2O.Correct answer is option 'C'. Can you explain this answer?
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