Consider the following statements. i) Increase in concentration of rectant increases the rate of a zero order reaction. ii) rate constant k is equal t
Consider the following statements.
i) Increase in concentration of rectant increases the rate of a zero order reaction.
ii) rate constant k is equal to collision frequency a if `E_(a)=0`
iii) rate constant k is equal to collision frequency A if `E_(a) = infty`.
iv) In k vs T is a straight line.
v) In k vs `1//T` is a straight line.
Correct statements are:
A. i) and iv)
B. ii) and v)
C. iii) and iv)
D. ii) and iii)
1 Answers
Correct Answer - B
i) For zero order reaction the increases in concentration of reactants does not affect reaction rate.
ii) According to Arrhenius equation.
`k=Ae^(-Ea//RT)`
Where `E_(a) =0, k=A`
iii) When `E_(a) = infty, klt A`
iv) In k vs t is not a straight line
v) In k vs `1//T` is a straight line with slope `=(-Ea//R)`
Statements (ii) and (v) are `DeltaH` correct.