Which of the following factors could prolong the availability of fossil fuels
2 answers:
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This is an incomplete question, here is a complete question.
For the net reaction: 2AB + 2C → A2 + 2BC, the following slow first steps have been proposed.
(1) AB → A + B
(2) 2C + AB → AC + BC
(3) 2AB → A₂ + 2B
(4) C + AB → BC + A
What rate law is predicted by each of these steps?
Answer : The rate law expression for the following reactions are:
(1)
(2)
(3)
(4)
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.
The general reaction is:
The general rate law expression for the reaction is:
where,
a = order with respect to A
b = order with respect to B
R = rate law
k = rate constant
and
= concentration of A and B reactant
Now we have to determine the rate law for the given reaction.
(1) The balanced equations will be:
In this reaction, is the reactant.
The rate law expression for the reaction is:
(2) The balanced equations will be:
In this reaction, and
are the reactants.
The rate law expression for the reaction is:
(3) The balanced equations will be:
In this reaction, is the reactant.
The rate law expression for the reaction is:
(4) The balanced equations will be:
In this reaction, and
are the reactants.
The rate law expression for the reaction is:
Answer: There are 4 monofluoro derivatives of methylcyclopentane. Only 1 derivative has flourine atom attached to a primary carbon.
Explanation: The compound methylcyclopentane has 1-primary carbon, 4- secondary carbons and 1-tertiary carbon.
1) Primary carbon (1°): In this the carbon atom is attached directly to only one carbon atom.
2) Secondary carbon (2°): In this the carbon is attached directly to two carbon atoms.
3) Tertiary Carbon (3°): In this the carbon is attached directly to three carbon atoms.
The monofluoro derivatives are shown in the image below.
Structure B is the only derivative which has fluorine attached to primary carbon atom.
