Home
Class 12
CHEMISTRY
For n th order reaction (t(1//2))/(t(3//...

For n th order reaction `(t_(1//2))/(t_(3//4))` depends on `(n ne1)` :

A

initial concentration only

B

"n" only

C

initial concentration of "n" both

D

Some times "n" and some times initial concentration

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Similar Questions

Explore conceptually related problems

For a first order reaction, the ratio of t_(1//2) to t_(3//4) is

For a first order reaction, t_(7//8) = n xx t_(1//2) . The value of n will be .......... .

The general expression for half life period of an nth order reaction t_(1//2)=(2^(n-1)-1)/(k(n-1)a^(n-1)) is

The general expression for rate constant k for an nth order reaction k=1/((n-1)t)[1/([A]^(n-1))-1/([A]_(0)^(n-1))] is

The order of reaction is an experimentally determined quanity. It may be zero, poistive, negative, or fractional. The kinetic equation of nth order reaction is k xx t = (1)/((n-1))[(1)/((a-x)^(n-1)) - (1)/(a^(n-1))] …(i) Half life of nth order reaction depends on the initial concentration according to the following relation: t_(1//2) prop (1)/(a^(n-1)) ...(ii) The unit of the rate constant varies with the order but general relation for the unit of nth order reaction is Units of k = [(1)/(Conc)]^(n-1) xx "Time"^(-1) ...(iii) The differential rate law for nth order reaction may be given as: (dX)/(dt) = k[A]^(n) ...(iv) where A denotes the reactant. The rate constant for zero order reaction is where c_(0) and c_(t) are concentration of reactants at respective times.

Show that the time t_(1//2)//t_(3//4) for n^(th) order reaction is a function of 'n' alone. t_(3//4) is the time required for concentration to become 1//4 of original concentration.

Let t_(n) denote the n^(th) term in a binomial expansion. If (t_(6))/(t_(5)) in the expansion of (a+b)^(n+4) and (t_(5))/(t_(4)) in the expansion of (a+b)^(n) are equal, then n is

If for a reaction t_(x//y) represents time required for (x)/(y) th fraction of reactant to react then identify the correct option for a first order reaction : Statement-I : t_(3//4)=t_(1//2)xx2 Statement-II : t_(15//16)=t_(1//2)xx4 Statement-II : t_(7//8)=t_(3//4)xx2 Statement-IV : t_(15//16)=t_(3//4)xx3