In Which of the following changes, nitrogen is reduced
Correct answer: B. N2 to NH3
- A. NH3 to NO
- B. N2 to NH3
- C. NH3 to NO3
- D. N-3 to N2
Explanation
The correct explanation is that option (b) represents the reduction of nitrogen. In the reaction N2 to NH3, nitrogen goes from an oxidation state of 0 in N2 to -3 in NH3, indicating a reduction (gain of electrons).
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Reaction kinetics relates reaction rate to concentration, temperature, surface area and catalysts. Questions cover rate laws, reaction order, rate constants, activation energy and the activated complex, including how a catalyst lowers the activation energy without changing the overall energy change or equilibrium position.
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