<p>For a reaction A + B&rarr;&nbsp;C + 2D, experimental results were collected for three trials and the data obtained are given below:</p>

<p><img alt="" src="https://school.achievam.com/upload/questionbank/question/que_1759048205.jpg" style="height:120px; width:516px" /></p>

<p>(a) Explain what a rate law expression represents in terms of concentration dependence.</p>

<p>(b)&nbsp;What is the order of reaction?</p>

<p>(c) Calculate the value of rate constant?</p>

<p>(d) What will be rate of reaction when concentration of A is 0.5 molar and B is 0.2 molar.</p>