Q11 / 90 · KVPY 2010 (SB/SX) · Chemistry

The concentration of a substance undergoing a chemical reaction becomes one-half of its original value after time t regardless of the initial concentration. The reaction is an example of a-

A
zero order reaction
Correct answer
B
first order reaction
C
second order reaction
D
third order reaction

Solution

Informative

Hence, the correct answer is option: 'B'.

More Chemical Kinetics Questions

A nucleus X captures a particle and then emits a neutron and ray to form Y . X and Y are:-2020 (SB/SX)
Consider a reaction that is first order in both directions A k b k f B Initially only A is present, and its concentration is A 0 . Assume A 2020 (SB/SX)
The plot of concentration of a reactant vs time for a chemical reaction is shown below. The order of this reaction with respect to the react2019 (SA)
For a first order chemical reaction,2019 (SB/SX)
Thermal decomposition of N 2 O 5 occurs as per the equation below : 2 N 2 O 5 4 NO 2 + O 2 The correct statement is2019 (SB/SX)
Consider the following reversible first order reaction of X at an initial concentration X 0 . The values of the rate constants are K f = 2 s2018 (SB/SX)