New chat PYQ Library Doubts Rank report

Sign in to see Recents

Sign in to save progress →

Electrochemistry question

2021 · 27 Aug · Shift 2 · Q18

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

PYQ Library
JEE Main
Chemistry
Electrochemistry
2021 · 27 Aug · Shift 2 · Q18

Electrochemistry question

2021 · 27 Aug · Shift 2 · Q18

JEE MainChemistryElectrochemistryNumerical+4 / −1

The resistance of a conductivity cell with cell constant 1.14 cm

-

1, containing 0.001 M KCl at 298 K is 1500

\Omega

. The molar conductivity of 0.001 M KCl solution at 298 K in S cm2 mol

-

1 is

\underline{\hspace{2cm}}

. (Integer answer)

Numerical answer

More from Electrochemistry

The conductivity of a weak acid HA of concentration 0.001 mol L $-$ 1 is 2.0 $\times$ 10 $-$ 5 S cm $-$ 1. If $Λ_{m}^{o}$ (HA) = 190 S cm2 mol $-$ 1, the ionization constant (Ka) of HA is equal to $\times$ 10 $-$ …2021 · Numerical
For the cell Cu(s) | $C u^{2 +}$ (aq) (0.1 M) || $A g^{+}$ (aq) (0.01 M) | Ag(s) the cell potential E1 = 0.3095 V For the cell Cu(s) | $C u^{2 +}$ (aq) (0.01 M) || $A g^{+}$ (aq) (0.001 M) | Ag(s) the cell potential = $\times$ …2021 · Numerical
Consider the following cell reaction : $C d_{(s)} + H g_{2} S O_{4 (s)} + \frac{9}{5} H_{2} O_{(l)} ⇌$ $C d S O_{4} . \frac{9}{5} H_{2} O_{(s)} + 2 H g_{(l)}$ The value of $E_{ce l l}^{0}$ is 4.315 V at 25 $Δ$ C. If $Δ$ H…2021 · Numerical
Match List - I with List - II Choose the most appropriate answer from the options given below : Includes table2021 · MCQ
The Gibbs change (in J) for the given reaction at [ $C u^{2 +}$ ] = [ $S n^{2 +}$ ] = 1 M and 298K is : $C u$ (s) + $S n^{2 +}$ (aq.) $\to$ $C u^{2 +}$ (aq.) + $S n$ (s); ( $E_{S n^{2 +} ∣ S n}^{0} = - 0.16 V$ , $E_{C u^{2 +} ∣ C u}^{0} = 0.34 V$ ) Take F = 96500…2020 · Numerical
For the disproportionation reaction 2 $C u^{+}$ (aq) ⇌ $C u$ (s) + $C u^{2 +}$ (aq) at 298 K. ln K (where K is the equilibrium constant) is × 10–1. Given : ( $E_{C u^{2 +} / C u^{+}}^{0} = 0.16 V E_{C u^{+} / C u}^{0} = 0.52 V \frac{R T}{F} = 0.025$ …2020 · Numerical
Let C $N a C l$ and C $B a S O_{4}$ be the conductances (in S) measured for saturated aqueous solutions of $N a C l$ and $B a S O_{4}$ , respectively, at a temperature T. Which of the following is false?2020 · MCQ
The photoelectric current from $N a$ (Work function, w0 = 2.3 eV) is stopped by the output voltage of the cell Pt(s) | $H_{2}$ (g, 1 Bar) | $H C l$ (aq., pH =1) | AgCl(s) | Ag(s). The pH of aq. $H C l$ required to stop the photoelectric current…2020 · Numerical