Question

Which one of the following plots is true for the first order
decomposition of N₂O₅ ?

Answer 1

Option C is the correct option.

Explanation:

• The first order reaction are the reactions that have only one molecule at a time of reaction.

• The graphical representation of the first order reaction is.

• $log(a-x) = - \frac{kt} {2.303} +log a.$

• Here we can compare this equation with a equation of the straight line

• $y = mx +c.$

• Where y is log(a-x),

• x is t.

• c is log a

• And slope m is$- \frac{k} {2.303}.$

• So the graph will be a straight line with positive intercept and negative slope.

So, the graph will be option C.

S

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For a first order reaction A → products, the rate

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Find half-life time of a first order reaction with rate constant k = 2.31 X 10^-14 s^-1