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From the rate expression for the following reaction, determine the order of reaction and the dimension of the rate constant.
\[\ce{H2O2_{( aq)} + 3I^-_{( aq)} + 2H^+ -> 2H2O_{(l)} + I^-_3}\] Rate = k[H2O2][I−]
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From the rate expression for the following reaction, determine the order of reaction and the dimension of the rate constant.
\[\ce{CH3CHO_{(g)} -> CH4_{(g)} + CO_{(g)}}\] Rate = k[CH3CHO]3/2
Concept: undefined >> undefined
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From the rate expression for the following reaction, determine the order of reaction and the dimension of the rate constant.
\[\ce{C2H5Cl_{(g)} -> C2H4_{(g)} + HCl_{(g)}}\] Rate = k[C2H5Cl]
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For the reaction:
\[\ce{2A + B -> A2B}\]
the rate = k[A][B]2 with k = 2.0 × 10−6 mol−2 L2 s−1. Calculate the initial rate of the reaction when [A] = 0.1 mol L−1, [B] = 0.2 mol L−1. Calculate the rate of reaction after [A] is reduced to 0.06 mol L−1.
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Mention the factors that affect the rate of a chemical reaction.
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A reaction is second order with respect to a reactant. How is the rate of reaction affected if the concentration of the reactant is doubled?
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A reaction is first order in A and second order in B. Write the differential rate equation.
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A reaction is first order in A and second order in B. How is the rate affected on increasing the concentration of B three times?
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A reaction is first order in A and second order in B. How is the rate affected when the concentrations of both A and B are doubled?
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In a reaction between A and B, the initial rate of reaction (r0) was measured for different initial concentrations of A and B as given below:
| A/mol L−1 | 0.20 | 0.20 | 0.40 |
| B/mol L−1 | 0.30 | 0.10 | 0.05 |
| r0/mol L−1 s−1 | 5.07 × 10−5 | 5.07 × 10−5 | 1.43 × 10−4 |
What is the order of the reaction with respect to A and B?
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Why is adsorption always exothermic?
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Silver atom has completely filled d orbitals (4d10) in its ground state. How can you say that it is a transition element?
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Explain giving reason:
Transition metals and many of their compounds show paramagnetic behaviour.
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Write down the electronic configuration of Cr3+.
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Write down the electronic configuration of Pm3+.
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Write down the electronic configuration of Cu+.
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Write down the electronic configuration of Ce4+.
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Write down the electronic configuration of Co2+.
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Write down the electronic configuration of Lu2+.
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Write down the electronic configuration of Mn2+.
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