Which of the following is correct about first-order reaction? (a) \( t_{0.5}=50 \mathrm{~s}, t_{...

Channel:
PW Solutions
Subscribers:
449,000
Published on ● Video Link: https://www.youtube.com/watch?v=4qAUPKQ2Nxk


Duration: 1:58
7 views
0

Which of the following is correct about first-order reaction?
(a) \( t_{0.5}=50 \mathrm{~s}, t_{0.75}=100 \mathrm{~s} \)
(b) \( t_{0.5}=50 \mathrm{~s}, t_{0.75}=75 \mathrm{~s} \)
(c) \( t_{0.5}=50 \mathrm{~s}, t_{0.75}=50 \mathrm{~s} \)
(d) \( t_{0.5}=50 \mathrm{~s}, t_{0.25}=25 \mathrm{~s} \)
📲PW App Link - https://bit.ly/YTAI_PWAP
🌐PW Website - https://www.pw.live



Other Videos By PW Solutions


2022-10-27Collision theory of chemical reactions explains (a) rate of reactions. (b) order of reactions. (...
2022-10-27The activation energies of two reactions are \( E_{1} \) and \( E_{2} \) with \( E_{1}E_{2} \). ...
2022-10-27In general, the rate of a reaction can be increased by all the factors except (a) increasing the...
2022-10-27The activation energy of a reaction is zero. The rate constant of the reaction (a) increases wit...
2022-10-27According to the collisions theory, the rate of reaction increases with temperature due to (a) i...
2022-10-27At a certain temperature, the reaction between \( \mathrm{NO} \) and \( \mathrm{O}_{2} \) to for...
2022-10-27For the second-order reaction \( \mathrm{A}+\mathrm{B} \rightarrow \) Products, the rate constan...
2022-10-27The activation energy for a chemical reaction is primarily dependent on (a) temperature (b) natu...
2022-10-27The half-life for the first-order reaction \( \mathrm{H}_{2} \mathrm{O}_{2}(\mathrm{aq}) \) \( \...
2022-10-27It takes 40 minutes for the completion of \( 50 \% \) of the reaction \( \mathrm{A} \rightarrow ...
2022-10-27Which of the following is correct about first-order reaction? (a) \( t_{0.5}=50 \mathrm{~s}, t_{...
2022-10-27A quantity of \( 75.2 \mathrm{~g} \) of phenol is dissolved in \( 1 \mathrm{~kg} \) of solvent o...
2022-10-27Which of the following is an incorrect statement about first-order reaction? (a) The time for \(...
2022-10-27As the initial concentration increases from \( 0.75 \) to \( 1.55 \mathrm{M} \) in a reaction, \...
2022-10-27At \( 293 \mathrm{~K} \), the vapour pressure of water is 2400 \( \mathrm{Pa} \) and the vapour ...
2022-10-27Which of the following statements is incorrect? (a) The order of reaction is the sum of powers o...
2022-10-27A solution of \( 38.4 \mathrm{~g} \) of naphthalene in \( 185 \mathrm{~g} \) camphor depresses t...
2022-10-27The decomposition of \( \mathrm{H}_{2} \mathrm{O}_{2} \) can be followed by titration with \( \m...
2022-10-27Safrole is contained in oil of sassafras and was once used to flavour root beer. A \( 2.4 \mathr...
2022-10-27Match the solution in Column I with its nature in Column II.
2022-10-27Section D (Assertion - Reason) The following questions consist of two statements. Mark the answe...


Tags:
pw