MEDIUM
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Calculate the degree of ionization of 0.001 M acetic acid having molar conductance and limiting molar conductance 50 ohm -1cm2mol-1 and 250 ohm -1cm2mol-1 at a particular temperature.

Give your answer after multiplying with 10 and round off to the nearest integer.

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Important Questions on Electrochemistry

HARD
mo for NaCl,HCl and NaA are 126.4,425.9 and 100.5Scm2mol-1 respectively. If the conductivity of 0.001MHA is 5×10-5 S cm-1, degree of dissociation of HA is
MEDIUM
λ°m for NH4Cl, NaOH and NaCl are 130, 248 and 126. 5 ohm-1em2mo-1 respectively. The λ°m NH4OH will be,
EASY
Λm0 values for NaCl,HCl and CH3COONa are 126.4 S cm2 mol-1, 425.9 S cm2 mol-1 and 91.0 S cm2 mol-1 respectively. Λm0 value for CH3COOH is
MEDIUM

The molar conductivity of 0.007 M acetic acid is 20 S cm2 mol-1. What is the dissociation constant of acetic acid? Choose the correct option.

λH+=350 S cm2 mol-1λCH3COO-=50 S cm2 mol-1

EASY
The specific conductance K of 0.02 M aqueous acetic acid solution at 298 K is 1.65×10-4Scm-1. The degree of dissociation of acetic acid is

[Given: equivalent conductance at infinite dilution of H+=349.1Scm2mol-1 and CH3COO-=40.9Scm2  mol-1 ]
EASY

The molar conductance of NaCl, HCl and CH3COONa at infinite dilution are 126.45, 426.16 and 91.0 Scm2 mol-1 respectively. The molar conductance of CH3COOH at infinite dilution is. Choose the right option for your answer.

MEDIUM
The molar conductivities of HCl, NaCl, CH3COOH and CH3COONa at infinite dilution follow the order
MEDIUM
Why can limiting molar conductivity of CH3COOH  not be determined experimentally ?
 
MEDIUM
Ionic mobility of Ag+ is λAg+=5×10-1 ohm-1 cm2 eq-1
MEDIUM
The limiting molar conductivities of NaI,NaNO3 and AgNO3 are 12.7,12.0 and 13.3 mSm2 mol-1, respectively (all at 25 °C). The limiting molar conductivity of AgI at this temperature is____mSm2 mol-1.
HARD
Resistance of 0.2 M solution of an electrolyte is 5 0  Ω . The specific conductance of the solution is 1.4 S m -1 . The resistance of 0.5 M solution of the same electrolyte is 28 0  Ω . The molar conductivity of 0.5 M solution of the electrolyte in S m 2 mol -1 is :
MEDIUM
The conductivity of a weak acid HA of concentration 0.001 mol L-1 is 2.0×10-5 S cm-1. If Λm0(HA)=190 S cm2 mol-1, the ionization constant Ka of HA is equal to ____ ×10-6
(Round off to the Nearest Integer)
MEDIUM
The molar conductivity of a 0.5 mol dm-3 solution of AgNO3 with electrolytic conductivity of 5.76×10-3 S cm-1 at 298 K
EASY
Consider the statements S1 and S2 :
S1 : Conductivity always increases with decreases in the concentration of electrolyte.
S2 : Molar conductivity always increases with decreases in the concentration of electrolyte.
The correct option among the following
HARD
Which one of the following graphs between molar conductivity Λm versus C is correct?
MEDIUM
0.002M solution of a weak acid has an equivalent conductance (Λ)60ohm-1 cm2eq-1. What will be the pH ? (Given : Λ°=400ohm-1 cm2eq-1 ]
EASY
If the molar conductivities in S cm2 mol-1 of NaCl, KCl and NaOH  at infinite dilution are 126 and 150 and 250 respectively, the molar conductivity of KOH in S cm2 mol-1 is -