For the reaction, N2 + 3H2 → 2NH3, if $\dfrac{\text{d}NH_3}{\text{d}t}$ = 2 × 10–4 mol L–1 s–1, the value of –$\dfrac{\text{d}H_2}{\text{d}t}$ would be
4 × 10–4 mol L–1 s–1
6 × 10–4 mol L–1 s–1
1 × 10–4 mol L–1 s–1
3 × 10–4 mol L–1 s–1
Additional Questions
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For a reaction $\dfrac{1}{2}$A → 2B, rate of disappearance of 'A' is related to the rate of appearance of 'B' by the expression: |
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For a first order reaction (A) → Product, the concentration of A changes from 0.1 M to 0.025 M in 40 minutes. The rate of reaction when the concentration of A is 0.01 M is: |
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Consider the reaction, 2A + B → Products. When concentration of B alone was doubled, the half–life did not change. When the concentration of A alone was doubled, the rate increased by two times. The unit of rate constant for this reaction is: |
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The rate of reaction between two reactants A and B decreases by a factor of 4 if the concentration of reactant B is doubled. The order of reaction with respect to reactant B is |
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For a reaction A + B → C + D if the concentration of A is doubled without altering the concentration of B, the rate gets doubled. If the concentration of B is increased by nine times without altering the concentration of A, the rate gets tripled. The order of the reaction is |
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In respect of the equation K = A–Ea / RT |
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The concentration of R in the reaction R → P was measured as a function of time and the following data is obtained
The order of the reaction is |
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A reaction involving two different reactants can never be |
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Which of the following statements for order of reaction is not correct? |
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The activation energy of a reaction at a given temperature is found to be 2.303 RT J mol–1. The ratio of rate constant to the Arrhenius factor is |
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