Quantrex Quantrex AcademyJEE · NEET · NDA PYQs with solutions Open app
Olympiad workbookNSECElectrochemistry

A sample of water from a water tank has a resistance of 100 at 298 K , when placed in a conductivity cell of cell constant 0.2 ~m ⁻¹ . On dissolving 58.5 g of NaCl in the water tank, a sample of this solution gave a resistance of 40 . The molar conductivity of NaCl at this concentration is 10 ⁻¹ ~m ^2 ~mol ⁻¹ . The volume of water in the water tank is

Options

  1. A3.33 10^6 ~L
  2. B3333.3 L
  3. C363.5 L
  4. D4.2 10^5 ~L

Correct answer

A. 3.33 10^6 ~L

Step-by-step solution

No Solution

Practice Electrochemistry on Quantrex Academy →

More from Electrochemistry

NaOH solution is added dropwise to HCl solution and the conductance of the mixture is measured after addition of each drop. The variation of conductance with volume of NaOH added iReaction E ₀ / V Ag Ag ⁺+ e ⁻ -0.80 Cr ³⁺+3 e ⁻ 3 Cr -0.74 Zn ²⁺+2 e ⁻ Zn -0.76 I ₂( ~s )+2 e ⁻ 2 I ⁻ 0.54 Co ²⁺+2 e ⁻ Co -0.28 Ni ²⁺+2 e ⁻ Ni -0.26 The best reducing agent among tWhen a medal is electroplated with silver (Ag)Given the E₀ values for the half reactions: aligned & Sn ⁴⁺+2 e ⁻ Sn ²⁺, 0.15 ~V & 2 Hg ²⁺+2 e ⁻ Hg ₂²⁺, 0.92 ~V & PbO ₂+4 H ⁺+2 e ⁻ Pb ²⁺+2 H ₂ O , 1.45 ~V aligned Which of the foReaction E ₀ / V Ag Ag ⁺+ e ⁻ -0.80 Cr ³⁺+3 e ⁻ 3 Cr -0.74 Zn ²⁺+2 e ⁻ Zn -0.76 I ₂( ~s )+2 e ⁻ 2 I ⁻ 0.54 Co ²⁺+2 e ⁻ Co -0.28 Ni ²⁺+2 e ⁻ Ni -0.26 E ^0 of the given cell is arrayWhich of the following statements is not correct regarding the galvanic cells?The standard potentials (E^ ) of MnO ₄⁻ / Mn ²⁺ and MnO ₂ / Mn ²⁺ half cells in acidic medium are 1.51 V and 1.23 V respectively at 298 K . The standard potential of MnO ₄⁻ / MnO ₂The standard electrode potential ( E ^0 ) of the Daniel cell is 1.1 V and the overall cell reaction can be represented as Zn ( s )+ Cu ²⁺( aq ) Zn ²⁺( aq )+ Cu ( s ) . Under which Full Electrochemistry list All Olympiad workbook PYQs