1 litre solution containing 4.5 milimoles of Cr2O2−7 and 15 milimole – InterviewSolution

1.	1 litre solution containing 4.5 milimoles of Cr2O2−7 and 15 milimoles of Cr3+ shows a pH of 2.0. The potential of reduction half reaction is approximately x V . Then what is the value of [x], where [ ] is greatest integer function. (Eo of Cr2O2−7/Cr3+ is 1.33 V) (Given, log 2=0.30 ) Round off your answer upto nearest integer
Answer» $1$ litre solution containing $4.5$ milimoles of $C r_{2} O_{7}^{2 -}$ and $15$ milimoles of $C r^{3 +}$ shows a pH of 2.0. The potential of reduction half reaction is approximately $x V$ . Then what is the value of $[x]$ , where $[]$ is greatest integer function. $(E^{o} o f C r_{2} O_{7}^{2 -} / C r^{3 +} i s 1.33 V)$ (Given, log 2=0.30 ) Round off your answer upto nearest integer

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