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प्रश्न
Assertion: For measuring resistance of an ionic solution an AC source is used.
Reason: Concentration of ionic solution will change if DC source is used.
विकल्प
Both assertion and reason are true and the reason is the correct explanation of assertion. (ii) Both assertion.
Both assertion and reason are true and the reason is not the correct explanation of assertion.
Assertion is true but the reason is false.
Both assertion and reason are false.
Assertion is false but reason is true.
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उत्तर
Both assertion and reason are true and the reason is the correct explanation of assertion. (ii) Both assertion.
Explanation:
Alternating current is used in the measurement of resistance of electrolyte solution because concentration changes with DC current due to electrolysis.
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संबंधित प्रश्न
The resistance of a conductivity cell containing 0.001 M KCl solution at 298 K is 1500 Ω. What is the cell constant if the conductivity of 0.001 M KCl solution at 298 K is 0.146 × 10−3 S cm−1.
Define conductivity for the solution of an electrolyte.
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When measuring conductivity with a conductivity cell, cell constant denoted by the symbol G* is given by (electrode area of cross-section equal to ‘A’ and separated by distance ‘l’)
The cell constant of a conductivity cell ______.
Conductivity of an electrolytic solution depends on:
(i) nature of electrolyte.
(ii) concentration of electrolyte.
(iii) power of AC source.
(iv) distance between the electrodes.
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(ii) `G^∗/R`
(iii) Λm
(iv) `l/A`
In an aqueous solution how does specific conductivity of electrolytes change with addition of water?
The unit of equivalent conductivity is
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The conductivity of 0.01 m NaCl solution is 0.00147 ohm–1cm–1. What happens to the conductivity if extra 100 ML is added to the above solution:-
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- 0.1 M Formic acid,
- 0.1 M Acetic acid,
- 0.1 M Benzoic acid.
