Determine the Missing Initial Rate for a Reaction with an Order

question 34

Multiple Choice

Determine the missing initial rate for a reaction with an order of $\frac{2}{5}$ given the following information: $$\begin{array} { l | l } { [ \mathrm { A } ] \left( \mathrm { mol } \mathrm { L } ^ { - 1 } \right) } & \text { Initial Rate } \left( \mathrm { mol } \mathrm { L } ^ { - 1 } \mathrm {~s} ^ { - 1 } \right) \\\hline 9.74 \times 10 ^ { - 5 } & 4.6 \times 10 ^ { - 3 } \\6.83 \times 10 ^ { - 4 } & ? \\9.74 \times 10 ^ { - 4 } & 1.2 \times 10 ^ { - 2 }\end{array}$$

• A)6.0 × 10^-3 mol L^-1 s^-1
• B)2.8 × 10^-2 mol L^-1 s^-1
• C)7.3 × 10^-3 mol L^-1 s^-1
• D)9.74 × 10^-3 mol L^-1 s^-1
• E)1.0 × 10^-2 mol L^-1 s^-1

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Definitions:

Septet

A grouping of seven, commonly used in the context of splitting patterns in NMR spectroscopy.

Spectral Data

Information derived from spectrometry, used to identify compounds and determine their structure.

IR

Infrared spectroscopy is a method that involves the identification and analysis of chemicals by observing their absorption of infrared light.

Triplet

A pattern seen in NMR spectroscopy where a signal is split into three distinct peaks, often indicative of specific neighboring hydrogen atoms.