1.

A tangent drawn on the curve obtained by plotting concentration of product ("mole"L^(-1)) of a first order reaction vs. time (min) at the point corresponding to time 20 minute makes an angle to 30^(@) with concentration axis. Hence, the rate of formations of product after 20 minutes will be

Answer»

`0.580 "mole" L^(-1)min^(-1)`
`1.723 "mole" L^(-1) min^(-1)`
`0.290 "mole" L^(-1) min^(-1)`
`0.866 "mole" L^(-1) min^(-1)`

ANSWER :B


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