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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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Which of the ores mentioned can be concentrated by magnetic separation method?
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Differentiate between “minerals” and “ores”.
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Write the formula for the given coordination compound:
Iron (III) hexacyanoferrate (II)
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Sleeping pills are recommended by doctors to the patients suffering from sleeplessness but it is not advisable to take its doses without consultation with the doctor, Why?
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With reference to which classification has the statement, ‘ranitidine is an antacid” been given?
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Why do we need to classify drugs in different ways?
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Explain the term target molecules or drug targets as used in medicinal chemistry.
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Why should not medicines be taken without consulting doctors?
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Define the term chemotherapy.
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Classify the following as primary, secondary and tertiary alcohol:
\[\begin{array}{cc}
\ce{CH3}\phantom{.}\\
|\phantom{....}\\
\ce{CH3 - C - CH2OH}\\
|\phantom{....}\\
\ce{CH3}\phantom{.}
\end{array}\]
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Identify allylic alcohols in the following examples.
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Give the structures and IUPAC names of monohydric phenols of molecular formula C7H8O.
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