If compound A reacts with B following first order kinetics with rate constant 2.011 × 10⁻³ ~s⁻¹. The time taken by A (in seconds) to reduce from 7 ~g to 2 ~g will be _ _ _ _ _ _. (Nearest Integer) [ log 5=0.698, log 7=0.845, log 2=0.301]

Chemical Kinetics: JEE Main 2023 Chemistry question

JEE Main 2023 · 30 Jan, Morning shift · Q5

JEE Main 202330 Jan, Morning shiftChemistryMediumChemical Kinetics62× since 2002

If compound A reacts with B following first order kinetics with rate constant

2.011 \times 10^{-3} \mathrm{~s}^{-1}

. The time taken by

\mathrm{A}

(in seconds) to reduce from

7 \mathrm{~g}

2 \mathrm{~g}

will be ___________. (Nearest Integer)

[\log 5=0.698, \log 7=0.845, \log 2=0.301]

Your answerType your answer. Integers and decimals are accepted.

JEE Main 2023 Chemical Kinetics Question with Answer (30 Jan Morning shift, Q5) | JEE Arc