New chat PYQ Library Doubts Rank report

Sign in to see Recents

Sign in to save progress →

Electrochemistry question

2023 · 31 Jan · Shift 1 · Q12

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

PYQ Library
JEE Main
Chemistry
Electrochemistry
2023 · 31 Jan · Shift 1 · Q12

Electrochemistry question

2023 · 31 Jan · Shift 1 · Q12

JEE MainChemistryElectrochemistryMCQ+4 / −1

Which one of the following statements is correct for electrolysis of brine solution?

A
$\mathrm{O}_{2}$ is formed at cathode
B
$\mathrm{H}_{2}$ is formed at anode
C
$\mathrm{Cl}_{2}$ is formed at cathode
D
$\mathrm{OH}^{-}$ is formed at cathode

More from Electrochemistry

The logarithm of equilibrium constant for the reaction $Pd^{2 +} + 4 Cl^{-} ⇌ PdCl_{4}^{2 -}$ is (Nearest integer) Given : $\frac{2.303 R T}{F} = 0.06 V Pd_{(aq)}^{2 +} + 2 e^{-} ⇌ Pd (s) E^{⊖} = 0.83 V PdCl_{4}^{2 -} (aq) + 2 e^{-} ⇌ Pd (s) + 4 Cl^{-} (aq) E^{⊖} = 0.65 V$ …2023 · Numerical
The resistivity of a $0.8 M$ solution of an electrolyte is $5 \times 1 0^{- 3} Ω cm$ . Its molar conductivity is $\times 1 0^{4} Ω^{- 1} cm^{2} mol^{- 1}$ . (Nearest…2023 · Numerical
The cell potential for the following cell Pt | $H_{2}$ (g)| $H^{+}$ (aq)|| $C u^{2 +}$ (0.01 M)| $C u$ (s) is 0.576 V at 298 K. The pH of the solution is . (Nearest integer) (Given : $E_{C u^{2 +} / C u}^{o} = 0.34$ V and $\frac{2.303 R T}{F} = 0.06$ …2022 · Numerical
The resistance of a conductivity cell containing 0.01 M KCl solution at 298 K is 1750 $Ω$ . If the conductivity of 0.01 M KCl solution at 298 K is 0.152 $\times$ 10 $-$ 3 S cm $-$ 1, then the cell constant of the conductivity cell is $\times$ …2022 · Numerical
The cell potential for $Zn Zn^{2 +} (aq) Sn^{x +} Sn$ is $0.801 V$ at $298 K$ . The reaction quotient for the above reaction is $1 0^{- 2}$ . The number of…2022 · Numerical
The spin-only magnetic moment value of $M^{3 +}$ ion (in gaseous state) from the pairs $C r^{3 +}$ / $C r^{2 +}$ , $M n^{3 +}$ / $M n^{2 +}$ , $F e^{3 +}$ / $F e^{2 +}$ and $C o^{3 +}$ / $C o^{2 +}$ that has negative standard electrode potential, is …2022 · Numerical
The molar conductivity of a conductivity cell filled with 10 moles of 20 mL NaCl solution is $Λ_{m 1}$ and that of 20 moles another identical cell heaving 80 mL NaCl solution is $Λ_{m 2}$ . The conductivities exhibited by…2022 · MCQ
In a cell, the following reactions take place $F e^{2 +} \to F e^{3 +} + e^{-} 2 I^{-} \to I_{2} + 2 e^{-} E_{F e^{3 +} / F e^{2 +}}^{o} = 0.77 V E_{I_{2} / I^{-}}^{o} = 0.54 V$ …2022 · Numerical