1.

A(aq)rarrB(aq)+C(aq) is first order reaction. "Time"""t""oo "moles of reagent " ""n_(1)""n_(2) Reaction prgress is measured with the help of titration of reagent 'R'. If all A, B and C react with reagent and have 'n' factors [n factor,eq. mass=("mol.mass")/(n) in the ratio of 1:2:3 with the reagent, the k in terms of t, n_(1) and n_(2) is :

Answer»

`k=10/tln(n_(2)/(n_(2)-n_(1)))`
`k=1/tln.((2n_(2))/(n_(2)-n_(1)))`
`k=1/tln.((4n_(2))/(n_(2)-n_(1)))`
`k=1/tln.((4n_(2))/(5(n_(2)-n_(1))))`

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