Propose a plausible two-step mechanism for the reaction given below with the steps provided. A+2B → C + E (slow) D + B → E (fast) 28 → C + E (slow) A + E → D (fast) A+B→C+D(slow) A+B→C+E(slow) A+B→C+E(fast) A+B→C+D(fast) D→C+E(fast) Overall Reaction: A+2B → C + E Experimentally Determined Rate Law rate = MA]

Answer : The the mechanism for the reaction is:

Step 1 :    (Slow)

Step 2 :    (fast)

Explanation :

Rate law : It is defined as the expression which expresses the rate of the reaction in terms of molar concentration of the reactants with each term raised to the power their stoichiometric coefficient of that reactant in the balanced chemical equation.

As we are given the overall reaction is:

The rate law expression is:

The rate law expression for overall reaction should be in terms of A and B.

As we know that the slow step is the rate determining step.

Now we have to determine the mechanism for the reaction.

The mechanism for the reaction is:

Step 1 :    (Slow)

Step 2 :    (fast)

both adhesion and cohesion are attractions.

they are different in that adhesion is the force of attraction between the molecules of two different substances, whereas cohesion is the force of attraction between molecules of the same substance.

possible examples include capillary action, in which the adhesion between water and glass causes the water to rise in a narrow tube against the force of gravity.

because of hydrogen bonding, water is extremely cohesive.

this causes molecules on the surface of water to be drawn inward, which is why drops of water form beads on smooth surfaces.

hope this .

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