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JEE Main 20 July 2021 Shift 2 Solved Paper

Section: Chemistry
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Question : 57 of 90
 
Marks: +1, -0
PCl5(g)→PCl3(g)+Cl2(g)
In the above first order reaction the concentration of PCl5 reduces from initial concentration 50 mol L−1 to 10 mol L−1 in 120 minutes at 300~K. The rate constant for the reaction at 300K is x×10−2min−1. The value of x is _______.
[ Given log‌5=0.6989]
[20 Jul 2021 Shift 2]
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