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The conductivity of centimolar solution of KCl at 25°C is 0.0210 ohm⁻¹ cm⁻¹ and the resistance of the cell containing the solution at 25°C is 60 ohm. The value of cell constant is -
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- 1)
The number of moles of hydrogen oxidised is:
- 2)
Which of the following best describes why ionic compounds like potassium bromide (KBr) do NOT conduct electricity in solid form but do in molten form?
- 3)
Which of the following electrolytes is used in the electrolyte refining of copper?
- 4)When electricity is passed through water, what kind of chemical reaction occurs?
- 5)In a typical fuel cell, the reactant (R) and product (P) are
- 6)Identify the reaction from following having top position in EMF series (Std. red. potential) according to their electrode potential at 298K.
- 7)Match List I with List II.
Choose then correct answer from the options given below: - 8)Mass in grams of copper deposited by passing 9.6487 A current through a voltmeter containing copper sulphate solutions for 100 seconds is:
(Given : Molar mass of
(1F=96487 C) - 9)Given below are half cell reactions:
Will the permanganate ion,
from water in the presence of an acid?
- 10)The molar conductance of NaCl. HCI and CH₃COONa at infinite dilution are 126.45, 426.16 and 91.0 S cm2 mol'1 respectively. The molar conductance of CH₃COOH at infinite dilution is.
Choose the right option for your answer.
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