New chat PYQ Library Doubts Rank report

Sign in to see Recents

Sign in to save progress →

Electrochemistry question

2021 · 22 Jul · Shift 2 · Q18

Guest · try one question or challengeGuest · try one question or challenge

PYQ Library
JEE Main
Chemistry
Electrochemistry
2021 · 22 Jul · Shift 2 · Q18

Electrochemistry question

2021 · 22 Jul · Shift 2 · Q18

JEE MainChemistryElectrochemistryNumerical+4 / −1

Assume a cell with the following reaction

C{u_{(s)}} + 2A{g^ + }(1 \times {10^{ - 3}}M) \to C{u^{2 + }}(0.250M) + 2A{g_{(s)}}

E_{cell}^\Theta = 2.97

V Ecell for the above reaction is

\underline{\hspace{2cm}}

V. (Nearest integer) [Given : log 2.5 = 0.3979, T = 298 K]

Numerical answer

More from Electrochemistry

The electrode potential of $M^{2 +}$ /M of 3d-series elements shows positive value for :2021 · MCQ
The magnitude of the change in oxidising power of the $M n O_{4}^{-} / M n^{2 +}$ couple is x $\times$ 10 $-$ 4 V, if the $H^{+}$ concentration is decreased from 1M to 10 $-$ 4 M at 25 $M n O_{4}^{-}$ C. (Assume concentration of $M n O_{4}^{-}$ and $M n^{2 +}$ …2021 · Numerical
Copper reduces NO $_{3}^{-}$ into $N O$ and $N O_{2}$ depending upon the concentration of $H N O_{3}$ in solution. (Assuming fixed [Cu2+] and PNO = PNO2), the $H N O_{3}$ concentration at which the thermodynamic tendency for reduction of NO $_{3}^{-}$ into $N O$ …2021 · Numerical
Consider the cell at 25 $Z n^{2 +}$ C Zn | $Z n^{2 +}$ (aq), (1M) || $F e^{3 +}$ (aq), $F e^{2 +}$ (aq) | Pt(s) The fraction of total iron present as $F e^{3 +}$ ion at the cell potential of 1.500 V is x $\times$ 10 $-$ 2. The value of x is …2021 · Numerical
These are physical properties of an element (A) Sublimation enthalpy (B) Ionisation enthalpy (C) Hydration enthalpy (D) Electron gain enthalpy The total number of above properties that affect the reduction potential is …2021 · Numerical
Given below are two statements : Statement I : The limiting molar conductivity of $K C l$ (strong electrolyte) is higher compared to that of $C H_{3} C O O H$ (weak electrolyte). Statement II : Molar conductivity decreases with decrease in…2021 · MCQ
For the galvanic cell, Zn(s) + $C u^{2 +}$ (0.02 M) $\to$ $Z n^{2 +}$ (0.04 M) + Cu(s), Ecell = $\times$ 10 $-$ 2 V. (Nearest integer) [Use : $E_{C u / C u^{2 +}}^{0}$ = $-$ 0.34 V, $E_{Z n / Z n^{2 +}}^{0}$ = + 0.76 V, $\frac{2.303 R T}{F} = 0.059 V$ …2021 · Numerical
Consider the following reaction $M n O_{4}^{-} + 8 H^{+} + 5 e^{-} \to M n^{+ 2} + 4 H_{2} O, E^{o} = 1.51 V$ . The quantity of electricity required in Faraday to reduce five moles of $M n O_{4}^{-}$ is . (Integer answer)2021 · Numerical