Class XII

The standard electrode potential is measured by
  1. Pyrometer
  2. Voltmeter
  3. Electrometer
  4. Galvanometer
Kohlrausch law of independent migration of ions states
  1. that limiting molar conductivity of an electrolyte can be represented as the sum of the individual contributions of the anion and cation of the electrolyte
  2. none of these
  3. that molar conductivity of an electrolyte can be represented as the sum of the individual contributions of the anion and cation of the electrolyte
  4. that limiting molar conductivity of an electrolyte can be represented as the difference of the individual contributions of the anion and cation of the electrolyte
Charge on one mole of electrons - Faraday is approximately
  1. 99500 C mol–1
  2. 96500 C mol–1
  3. 98500 C mol–1
  4. 97500 C mol–1
Difference between ionic (electrolytic) and electronic conductivity is that electronic conductance takes place in metals by ________ conductance takes place in solutions by ions
  1. ions and electrolytic
  2. electron cloud and electrolytic
  3. electron cloud and electrolytic
  4. electron cloud and electronic
An increase in equivalent conductance of a strong electrolyte with dilution is mainly due to
  1. increase in both i.e. number of ions and ionic mobility of ions
  2. increase in ionic mobility of ions
  3. increase in number of ions
  4. 100% ionization of electrolyte at normal dilution
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LKG - 12th

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