If compound A reacts with {\B} following first order kinetics with rate constant 2.011 \times 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] [30-Jan-2023 Shift 1]

JEE Mains 30-Jan-2023 Shift 1 Solved Paper

Section: Chemistry

Question : 54 of 90

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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 7g to 2g will be ________. (Nearest Integer)
[log‌5=0.698,log‌7=0.845,log‌2=0.301]

[30-Jan-2023 Shift 1]

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